Natural Resources & Conservation
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Natural Resources & Conservation

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Natural Resources & Conservation Natural Resources & Conservation Presentation Transcript

  • ConservationNatural Resources&By iTutor.comT- 1-855-694-8886Email- info@iTutor.com
  • Air- an important resource Air pollution is caused by tiny particles and gasescalled emissions that are released into the air. What produces emissions that pollute the air?– power plants that use fossil fuels to makeelectricity– vehicles (trucks, cars, airplanes, etc.)– factories– erupting volcanoes Pollution is a change to the environment (air,water, or soil) that is harmful to humans orother living things. Some changes to the air can have harmfuleffects on humans and other living organisms.
  • The water supplyHow does water get polluted?1. Towns and cities pollute the water supply withwastes that are washed down sinks, toilets, andshowers.2. Industries like factories and power plants producewastes that pollute water.3. Pesticides and fertilizers from farms end up in thewater supply.4. Oil spills from large ships that transport oil acrossthe oceans cause serious pollution problems. About 70% of Earth’s surface is covered by water. Only a small amount of this water is useful to humans.
  • The water supply Recycling programs all over the country are in placeto help reduce the solid waste that takes up so muchof our land space.
  • Global warming Increased levels of carbondioxide can contribute toglobal warming. The amount of carbondioxide in the atmospherehas increased by about30 percent since the1800s. Global warming refers to human interferencein Earth’s climate.
  • Global warming One acre of trees can provide oxygen for about20 people each day. This same acre of trees can also absorbemissions, including carbon dioxide. Trees can improve Earth’s air quality.Copyright reserved. 2012 The E Tutor
  •  At Earth’s core, temperatures can reach 4982°C(9,000°F). Hot springs and geysers are created by surface waterthat seeps into the ground and finally reaches these hotrocks.Earth’s Energy
  • The EndCall us for more information:1-855-488-8867www.iTutor.com