Pollution - Urdu presentation
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For Kids, Pollution - definition, types, how they spread Language - Urdu
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Pollution ppt-
This document provides an overview of different types of pollution, including their definitions, causes, effects, and methods of prevention. It discusses air pollution, water pollution, noise pollution, land pollution, and radioactive pollution. For each type of pollution, it outlines the major causes as industries, automobiles, waste disposal, etc. and effects on human health, environment, and aquatic life. The document also suggests prevention methods like using cleaner fuels, proper waste disposal, reducing noise levels, reforestation, and nuclear safety measures.
Environment Pollution
The document discusses the environment and various types of pollution. It defines the natural environment as existing long-term and the built environment as that created by humans. Humans cause more pollution than natural factors like volcanoes through activities like burning fossil fuels, industrial processes, agriculture, and waste. This leads to issues like global warming, climate change, and health impacts. The summary also outlines the major types of pollution - air, water, noise - and their causes as well as effects on human health, other species, and the atmosphere. Citizens and governments need to work together to implement measures to control and reduce pollution through laws, skills training, reducing plastic use, and recycling.
Air Pollution
Air pollution
Types of Air pollution
Facts about Air pollution
Causes of Air pollution
Effects of Air pollution
Steps taken by government to control Air pollution
Effects on human health and human life
Future predictions
Air pollution presentation.ppt
Air pollution is the introduction of harmful materials into the atmosphere that can damage health and the environment. Major air pollutants include carbon monoxide, sulfur dioxide, nitrogen dioxide, particulate matter, and ground-level ozone. Sources of air pollution include the burning of fossil fuels from vehicles, power plants, and industrial processes. Exposure to air pollutants can cause respiratory and heart problems and increase health risks. Methods to reduce air pollution involve using pollution control devices in vehicles and factories, switching to cleaner fuels, and promoting practices that decrease automobile usage.
Air Pollution (slide presentation)
This document discusses air pollution, including its definition, types, sources, causes, and effects. It defines air pollution as the introduction of harmful materials into the atmosphere, causing health and environmental damage. The main types are primary and secondary pollutants. Major anthropogenic sources include burning fossil fuels for energy and transportation, agriculture, and industry. Air pollution causes respiratory and heart diseases in humans and damages materials and wildlife habitats. Solutions proposed include using public transportation, conserving energy, reducing waste, and developing clean energy.
Particulate matter
The document discusses particulate matter pollution in Bangladesh. It defines particulate matter as airborne particles less than 10 micrometers in size from sources like dust, pollen, and smoke. It notes that particulate matter can affect heart and lungs and lists some key facts about particulate matter pollution such as its sources from traffic, industry and other human activities. It describes the different types of particulate matter based on size, potential health impacts of particulate matter pollution in Bangladesh, and ways to help prevent particulate matter pollution.
Pollution
Pollution occurs when harmful substances called pollutants are released into the environment such as land, air, and water. Land pollution happens when waste is not properly disposed of and can pile up and cause disease. Water pollution occurs when bacteria and chemicals from sources like factories, farms, and garbage contaminate water bodies and kill aquatic organisms. Air pollution is caused by emissions from vehicles, factories, and the burning of fuels which produces smog and acid rain and damages buildings and ecosystems. Certain chemicals like CFCs also deplete the ozone layer allowing more UV radiation to reach the Earth.
Pollution;its causes and effects by Wajeeha Nisar Ahmed Khan
This document defines different types of pollution including air, water, noise, and land pollution. It discusses the causes and effects of each type of pollution as well as methods for prevention. The types of pollution covered are air pollution from industries, vehicles, and fuels; water pollution from waste, chemicals, and trash; noise pollution from transportation and events; and land pollution from mining, waste, and industrial activities. The document emphasizes the importance of reducing pollution at its source, reusing and recycling materials, and developing alternative energy sources to fossil fuels to prevent environmental damage.
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Pollution ppt-
This document provides an overview of different types of pollution, including their definitions, causes, effects, and methods of prevention. It discusses air pollution, water pollution, noise pollution, land pollution, and radioactive pollution. For each type of pollution, it outlines the major causes as industries, automobiles, waste disposal, etc. and effects on human health, environment, and aquatic life. The document also suggests prevention methods like using cleaner fuels, proper waste disposal, reducing noise levels, reforestation, and nuclear safety measures.
Environment Pollution
The document discusses the environment and various types of pollution. It defines the natural environment as existing long-term and the built environment as that created by humans. Humans cause more pollution than natural factors like volcanoes through activities like burning fossil fuels, industrial processes, agriculture, and waste. This leads to issues like global warming, climate change, and health impacts. The summary also outlines the major types of pollution - air, water, noise - and their causes as well as effects on human health, other species, and the atmosphere. Citizens and governments need to work together to implement measures to control and reduce pollution through laws, skills training, reducing plastic use, and recycling.
Air Pollution
Air pollution
Types of Air pollution
Facts about Air pollution
Causes of Air pollution
Effects of Air pollution
Steps taken by government to control Air pollution
Effects on human health and human life
Future predictions
Air pollution presentation.ppt
Air pollution is the introduction of harmful materials into the atmosphere that can damage health and the environment. Major air pollutants include carbon monoxide, sulfur dioxide, nitrogen dioxide, particulate matter, and ground-level ozone. Sources of air pollution include the burning of fossil fuels from vehicles, power plants, and industrial processes. Exposure to air pollutants can cause respiratory and heart problems and increase health risks. Methods to reduce air pollution involve using pollution control devices in vehicles and factories, switching to cleaner fuels, and promoting practices that decrease automobile usage.
Air Pollution (slide presentation)
This document discusses air pollution, including its definition, types, sources, causes, and effects. It defines air pollution as the introduction of harmful materials into the atmosphere, causing health and environmental damage. The main types are primary and secondary pollutants. Major anthropogenic sources include burning fossil fuels for energy and transportation, agriculture, and industry. Air pollution causes respiratory and heart diseases in humans and damages materials and wildlife habitats. Solutions proposed include using public transportation, conserving energy, reducing waste, and developing clean energy.
Particulate matter
The document discusses particulate matter pollution in Bangladesh. It defines particulate matter as airborne particles less than 10 micrometers in size from sources like dust, pollen, and smoke. It notes that particulate matter can affect heart and lungs and lists some key facts about particulate matter pollution such as its sources from traffic, industry and other human activities. It describes the different types of particulate matter based on size, potential health impacts of particulate matter pollution in Bangladesh, and ways to help prevent particulate matter pollution.
Pollution
Pollution occurs when harmful substances called pollutants are released into the environment such as land, air, and water. Land pollution happens when waste is not properly disposed of and can pile up and cause disease. Water pollution occurs when bacteria and chemicals from sources like factories, farms, and garbage contaminate water bodies and kill aquatic organisms. Air pollution is caused by emissions from vehicles, factories, and the burning of fuels which produces smog and acid rain and damages buildings and ecosystems. Certain chemicals like CFCs also deplete the ozone layer allowing more UV radiation to reach the Earth.
Pollution;its causes and effects by Wajeeha Nisar Ahmed Khan
This document defines different types of pollution including air, water, noise, and land pollution. It discusses the causes and effects of each type of pollution as well as methods for prevention. The types of pollution covered are air pollution from industries, vehicles, and fuels; water pollution from waste, chemicals, and trash; noise pollution from transportation and events; and land pollution from mining, waste, and industrial activities. The document emphasizes the importance of reducing pollution at its source, reusing and recycling materials, and developing alternative energy sources to fossil fuels to prevent environmental damage.
Air pollution
Air pollution is the introduction of chemicals, particulate matter, or biological materials into the atmosphere that can harm living organisms or damage the natural and built environment. The industrialization of society, introduction of motor vehicles, and population explosion are contributing to growing air pollution problems. Major pollutants found in urban areas include carbon monoxide, nitrogen oxides, sulfur oxides, hydrocarbons, and particulate matter. Air pollution can cause smog and damage trees, and increase ultraviolet radiation exposure which can lead to health issues like skin cancer and cataracts. Solutions include restricting population growth, using less energy, improving energy efficiency, and reducing waste.
Air pollution
This document summarizes various types of air pollution including smog, acid rain, the greenhouse effect, and holes in the ozone layer. It discusses sources of air pollution such as volcanoes, decaying organic matter, and emissions from human activities like burning fossil fuels. The main types of air pollutants are primary pollutants emitted directly and secondary pollutants formed from chemical reactions. Indoor air pollution from activities like smoking can also be harmful. Air pollution affects human health in both short and long term ways. Solutions proposed include using cleaner fuels, reducing energy use, and controlling industrial and vehicle emissions.
Air pollution
Air pollution is defined as contamination of the indoor or outdoor environment from physical, chemical, or biological agents that alter the natural composition of the atmosphere. Major sources include household combustion, motor vehicles, industrial facilities, and forest fires. Key pollutants are carbon monoxide, ozone, nitrogen dioxide, and sulfur dioxide. Methods to control air pollution include maintaining separation between industrial and residential areas, installing tall chimneys, removing sulfur emissions, using unleaded gasoline, planting trees near mines, switching to gas fuels, installing emission controls on automobiles, recycling industrial wastes, planting nitrogen-absorbing plants, timely vehicle maintenance, using public transportation, and developing alternative energy sources.
Air pollution chapter 02
Air pollution occurs when harmful substances including particulates and biological molecules are introduced into Earth's atmosphere
Report on Air Pollution
Air pollution is a mixture of solid particles and gases in the air. Car emissions, chemicals from factories, dust, pollen and mold spores may be suspended as particles. Ozone, a gas, is a major part of air pollution in cities. When ozone forms air pollution, it's also called smog.
Air pollution
The Clean Air Act requires EPA to regulate six common air pollutants: particle pollution, ground-level ozone, carbon monoxide, sulfur oxides, nitrogen oxides, and lead. These pollutants can harm health, the environment, and cause property damage. Of these, particle pollution and ground-level ozone pose the most widespread health risks. EPA sets standards and tracks emissions and air concentrations of these pollutants, though many still live in areas with unhealthy levels of one or more pollutants.
Air pollution
Air pollution is the introduction of harmful substances into the atmosphere that can cause harm to humans and other living organisms. Both human activities and natural processes can generate air pollutants. Major primary pollutants from human activities include carbon dioxide, sulfur and nitrogen oxides, carbon monoxide, volatile organic compounds, particulates, and toxic metals. Secondary pollutants are formed when primary pollutants interact in the air, such as ozone and PAN. Human activities like burning fossil fuels for transportation and industry, agricultural and household chemicals, and manufacturing are leading causes of air pollution.
Environmental Pollution
This document discusses five main types of pollution: air, water, noise, land, and radioactive. It provides details on air pollution, including its causes from industries, automobiles, and gases, as well as its effects on human health, animals, plants, and the climate. The document also summarizes water pollution as any physical, chemical, or biological change that harms water quality and life, with causes such as industrial and sewage waste. Noise pollution is defined as unwanted sound that can damage hearing and cause health issues depending on loudness, frequency, and duration of exposure.
Environmental Pollution
This document discusses four types of pollution: air, water, noise, and soil. It provides details on each type, including causes and effects. For air pollution, it notes vehicle emissions and energy usage contribute to decreased air quality. Water pollution results from littering and improper chemical disposal contaminating water bodies. Noise pollution stems from transportation and machines interfering with human and animal activities. Soil pollution is caused by industrial chemicals and heavy metals that pose health risks. Throughout, the document emphasizes the importance of conservation and proper waste disposal to prevent environmental degradation from different kinds of pollution.
pollution
This document discusses different types of pollution including air, water, noise, land, radioactive, and solid waste pollution. For each type of pollution, it describes the introduction, causes, effects, and ways to prevent it. The key causes of pollution discussed are industries, vehicles, domestic fuels, waste, mining, quarrying, sewage, and nuclear power/waste. The main effects on humans include diseases and health issues. Effects on other living things and the environment include damage, contamination, habitat destruction, and ecological imbalance. Prevention methods include using cleaner energy sources, proper waste disposal, limiting pollution at the source, and increasing awareness.
Pollution
What is pollution, types of pollution, effects of pollution, causes of pollution, Measures to prevent pollution
Air Pollution
Dr. B. Victor presented on air pollution. He discussed different types of pollution sources and air pollutants. Some key effects of air pollution include damage to health, vegetation, and structures. Increased carbon dioxide contributes to global warming and climate change through the greenhouse effect. Air pollutants like sulfur dioxide and nitrogen oxides can cause acid rain when dissolved in water, harming aquatic life and soil.
air pollution
What is Air? What is atmosphere ?
Definition of Air Pollution.
Types of Air Pollution.
Sources of Air pollution.
Effects of Air pollution.
Prevention of Air pollution.
Solving Ideas
Conclusion.
Air Pollution Presentation
The document discusses air pollution and air quality monitoring in Trinidad and Tobago. It defines air pollutants and major pollutants like particulate matter and gases. It examines the health and environmental impacts of air pollution and sources in Trinidad and Tobago like vehicles and industry. The document outlines measures to control air pollution through rules and initiatives. It provides details on air quality monitoring objectives, methods, equipment location, duration and local companies that provide monitoring services.
Presentation on Pollution
Primary pollutants are directly emitted from sources like sulfur dioxide from factories. Secondary pollutants are formed by interactions between primary pollutants, like smog. Burning fossil fuels for energy and transportation emits sulfur dioxide and other pollutants. Agricultural activities release ammonia and chemicals from pesticides and fertilizers. Factories and industries discharge carbon monoxide, hydrocarbons, and other chemicals. Mining operations release dust and chemicals into the air. Indoor air can also be polluted by household products. Public transportation, energy conservation, clean energy, and efficient devices can help reduce air pollution.
Pollution
The document defines four main types of pollution: air, water, land, and noise. It provides details on the introduction, causes, effects, and prevention methods for each type of pollution. Air pollution is caused by industrialization and population growth and can lead to acid rain, greenhouse effects, and smog. Water pollution stems from organic and inorganic waste, sewage, and oil leakage, and can cause diseases, destroy aquatic life, and impact food chains. Land pollution results from littering, construction, waste, and industry, with effects on agriculture, climate, and biodiversity. Noise pollution comes from traffic, aircraft, industry, and other sources, and its health effects include hearing loss, sleep issues, and stress. Prevention
Air Pollution
The document summarizes various topics related to air pollution:
1) It describes the different layers of the atmosphere and the composition of air. Outdoor air pollution comes from both natural and human-caused sources like burning fossil fuels.
2) Smog forms from reactions between nitrogen oxides and hydrocarbons. Industrial smog contains particles from burning coal and oil. Photochemical smog irritates the respiratory system.
3) Acid deposition occurs as rain or particles and can damage statues, decrease visibility, and kill fish by acidifying lakes. Prevention efforts aim to reduce emissions.
Environment and pollution
This document discusses different types of pollution and their impacts. It defines environment, ecosystem and different types of pollution including air, soil and water pollution. Air pollution is caused by burning of fossil fuels from factories, power plants and vehicles. Soil pollution results from chemicals used on farms and waste dumping. Water pollution comes from dumping of industrial waste and farm chemicals. The document also discusses how pollution harms plants, animals and humans and can change the environment. Greenhouse gases from burning fossil fuels are warming the planet and may cause climate change.
AIR POLLUTION - MY PRESENTATION - JUNE 2013
I hope you find this presentation helpful in your studies in ecology.
***All credits belong to those who provided the documents and photos used in my presentation.
Air pollution class
Air pollution is caused by human introduction of chemicals, particulates, or biological materials into the atmosphere that harm humans or the environment. It causes deaths and respiratory disease. While major stationary sources contribute, the greatest source is actually mobile sources like automobiles. Smog results from large amounts of coal burning and is caused by smoke and sulfur dioxide. Acid rain damages buildings and statues and seriously harms trees. For nearly a billion years, the ozone layer protected life from ultraviolet rays but human activity like CFCs used in refrigerators and aerosols has contributed to holes in the ozone layer.
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Air pollution
Air pollution is the introduction of chemicals, particulate matter, or biological materials into the atmosphere that can harm living organisms or damage the natural and built environment. The industrialization of society, introduction of motor vehicles, and population explosion are contributing to growing air pollution problems. Major pollutants found in urban areas include carbon monoxide, nitrogen oxides, sulfur oxides, hydrocarbons, and particulate matter. Air pollution can cause smog and damage trees, and increase ultraviolet radiation exposure which can lead to health issues like skin cancer and cataracts. Solutions include restricting population growth, using less energy, improving energy efficiency, and reducing waste.
Air pollution
This document summarizes various types of air pollution including smog, acid rain, the greenhouse effect, and holes in the ozone layer. It discusses sources of air pollution such as volcanoes, decaying organic matter, and emissions from human activities like burning fossil fuels. The main types of air pollutants are primary pollutants emitted directly and secondary pollutants formed from chemical reactions. Indoor air pollution from activities like smoking can also be harmful. Air pollution affects human health in both short and long term ways. Solutions proposed include using cleaner fuels, reducing energy use, and controlling industrial and vehicle emissions.
Air pollution
Air pollution is defined as contamination of the indoor or outdoor environment from physical, chemical, or biological agents that alter the natural composition of the atmosphere. Major sources include household combustion, motor vehicles, industrial facilities, and forest fires. Key pollutants are carbon monoxide, ozone, nitrogen dioxide, and sulfur dioxide. Methods to control air pollution include maintaining separation between industrial and residential areas, installing tall chimneys, removing sulfur emissions, using unleaded gasoline, planting trees near mines, switching to gas fuels, installing emission controls on automobiles, recycling industrial wastes, planting nitrogen-absorbing plants, timely vehicle maintenance, using public transportation, and developing alternative energy sources.
Air pollution chapter 02
Air pollution occurs when harmful substances including particulates and biological molecules are introduced into Earth's atmosphere
Report on Air Pollution
Air pollution is a mixture of solid particles and gases in the air. Car emissions, chemicals from factories, dust, pollen and mold spores may be suspended as particles. Ozone, a gas, is a major part of air pollution in cities. When ozone forms air pollution, it's also called smog.
Air pollution
The Clean Air Act requires EPA to regulate six common air pollutants: particle pollution, ground-level ozone, carbon monoxide, sulfur oxides, nitrogen oxides, and lead. These pollutants can harm health, the environment, and cause property damage. Of these, particle pollution and ground-level ozone pose the most widespread health risks. EPA sets standards and tracks emissions and air concentrations of these pollutants, though many still live in areas with unhealthy levels of one or more pollutants.
Air pollution
Air pollution is the introduction of harmful substances into the atmosphere that can cause harm to humans and other living organisms. Both human activities and natural processes can generate air pollutants. Major primary pollutants from human activities include carbon dioxide, sulfur and nitrogen oxides, carbon monoxide, volatile organic compounds, particulates, and toxic metals. Secondary pollutants are formed when primary pollutants interact in the air, such as ozone and PAN. Human activities like burning fossil fuels for transportation and industry, agricultural and household chemicals, and manufacturing are leading causes of air pollution.
Environmental Pollution
This document discusses five main types of pollution: air, water, noise, land, and radioactive. It provides details on air pollution, including its causes from industries, automobiles, and gases, as well as its effects on human health, animals, plants, and the climate. The document also summarizes water pollution as any physical, chemical, or biological change that harms water quality and life, with causes such as industrial and sewage waste. Noise pollution is defined as unwanted sound that can damage hearing and cause health issues depending on loudness, frequency, and duration of exposure.
Environmental Pollution
This document discusses four types of pollution: air, water, noise, and soil. It provides details on each type, including causes and effects. For air pollution, it notes vehicle emissions and energy usage contribute to decreased air quality. Water pollution results from littering and improper chemical disposal contaminating water bodies. Noise pollution stems from transportation and machines interfering with human and animal activities. Soil pollution is caused by industrial chemicals and heavy metals that pose health risks. Throughout, the document emphasizes the importance of conservation and proper waste disposal to prevent environmental degradation from different kinds of pollution.
pollution
This document discusses different types of pollution including air, water, noise, land, radioactive, and solid waste pollution. For each type of pollution, it describes the introduction, causes, effects, and ways to prevent it. The key causes of pollution discussed are industries, vehicles, domestic fuels, waste, mining, quarrying, sewage, and nuclear power/waste. The main effects on humans include diseases and health issues. Effects on other living things and the environment include damage, contamination, habitat destruction, and ecological imbalance. Prevention methods include using cleaner energy sources, proper waste disposal, limiting pollution at the source, and increasing awareness.
Pollution
What is pollution, types of pollution, effects of pollution, causes of pollution, Measures to prevent pollution
Air Pollution
Dr. B. Victor presented on air pollution. He discussed different types of pollution sources and air pollutants. Some key effects of air pollution include damage to health, vegetation, and structures. Increased carbon dioxide contributes to global warming and climate change through the greenhouse effect. Air pollutants like sulfur dioxide and nitrogen oxides can cause acid rain when dissolved in water, harming aquatic life and soil.
air pollution
What is Air? What is atmosphere ?
Definition of Air Pollution.
Types of Air Pollution.
Sources of Air pollution.
Effects of Air pollution.
Prevention of Air pollution.
Solving Ideas
Conclusion.
Air Pollution Presentation
The document discusses air pollution and air quality monitoring in Trinidad and Tobago. It defines air pollutants and major pollutants like particulate matter and gases. It examines the health and environmental impacts of air pollution and sources in Trinidad and Tobago like vehicles and industry. The document outlines measures to control air pollution through rules and initiatives. It provides details on air quality monitoring objectives, methods, equipment location, duration and local companies that provide monitoring services.
Presentation on Pollution
Primary pollutants are directly emitted from sources like sulfur dioxide from factories. Secondary pollutants are formed by interactions between primary pollutants, like smog. Burning fossil fuels for energy and transportation emits sulfur dioxide and other pollutants. Agricultural activities release ammonia and chemicals from pesticides and fertilizers. Factories and industries discharge carbon monoxide, hydrocarbons, and other chemicals. Mining operations release dust and chemicals into the air. Indoor air can also be polluted by household products. Public transportation, energy conservation, clean energy, and efficient devices can help reduce air pollution.
Pollution
The document defines four main types of pollution: air, water, land, and noise. It provides details on the introduction, causes, effects, and prevention methods for each type of pollution. Air pollution is caused by industrialization and population growth and can lead to acid rain, greenhouse effects, and smog. Water pollution stems from organic and inorganic waste, sewage, and oil leakage, and can cause diseases, destroy aquatic life, and impact food chains. Land pollution results from littering, construction, waste, and industry, with effects on agriculture, climate, and biodiversity. Noise pollution comes from traffic, aircraft, industry, and other sources, and its health effects include hearing loss, sleep issues, and stress. Prevention
Air Pollution
The document summarizes various topics related to air pollution:
1) It describes the different layers of the atmosphere and the composition of air. Outdoor air pollution comes from both natural and human-caused sources like burning fossil fuels.
2) Smog forms from reactions between nitrogen oxides and hydrocarbons. Industrial smog contains particles from burning coal and oil. Photochemical smog irritates the respiratory system.
3) Acid deposition occurs as rain or particles and can damage statues, decrease visibility, and kill fish by acidifying lakes. Prevention efforts aim to reduce emissions.
Environment and pollution
This document discusses different types of pollution and their impacts. It defines environment, ecosystem and different types of pollution including air, soil and water pollution. Air pollution is caused by burning of fossil fuels from factories, power plants and vehicles. Soil pollution results from chemicals used on farms and waste dumping. Water pollution comes from dumping of industrial waste and farm chemicals. The document also discusses how pollution harms plants, animals and humans and can change the environment. Greenhouse gases from burning fossil fuels are warming the planet and may cause climate change.
AIR POLLUTION - MY PRESENTATION - JUNE 2013
I hope you find this presentation helpful in your studies in ecology.
***All credits belong to those who provided the documents and photos used in my presentation.
Air pollution class
Air pollution is caused by human introduction of chemicals, particulates, or biological materials into the atmosphere that harm humans or the environment. It causes deaths and respiratory disease. While major stationary sources contribute, the greatest source is actually mobile sources like automobiles. Smog results from large amounts of coal burning and is caused by smoke and sulfur dioxide. Acid rain damages buildings and statues and seriously harms trees. For nearly a billion years, the ozone layer protected life from ultraviolet rays but human activity like CFCs used in refrigerators and aerosols has contributed to holes in the ozone layer.
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Pollution - Urdu presentation
- 1. لودگیٓا
- 2. ہے کیا لودگیٓا ؟ • میں ماحول اجزات مضر جب او کریں لودہٓا اسے کر ہو شامل ر دیں بنا دہ نقصان اسے • جس کہ ہے حالت ایسی ایک یہ اور کیفیت اپنی ماحول میں جٓا میں حالت بری میں خاصیت اتا ہے
- 3. اقس کی لودگیٓا ام .1 لودگیٓا ہوائی .2 لودگیٓا کی پانی .3 لودگیٓا کی شور .4 لودگیٓا زمینی .5 لودگیٓا تابکاری
- 6. وجوہات کی لودگیٓا ہوائی • د نکلتا سے فیکٹریوں اور کارخانوں ھواں
- 7. وجوہات کی لودگیٓا ہوائی • دھواں نکلتا سے گاڑیوں
- 8. وجوہات کی لودگیٓا ہوائی • ایندھن واال جلنے میں گھروں
- 9. وجوہات کی لودگیٓا ہوائی • دھ واال نکلنے سے پالسٹک اور کوڑے واں