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Economics me
 

Economics me

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Economics me Economics me Presentation Transcript

  • RESOURCES AND ENVIRONMENT
  • RESOURCES • Are materials that are used to help satisfy human needs. • It includes natural resources, human resources, and physical resources.
  • RENEWABLE NATURAL RESOURCES • Are those that can be replaced within a certain period, such as forests, soils, plants, and animals, and water.
  • FOREST
  • It was a large areas of land covered by trees, which grown naturally for centuries and include shrubs, mosses, wild flowers and other small plants.
  • ECONOMIC VALUES: It supplies wood from trees. Including timber and plywood which are used in making houses, furniture, and fuel for heating and cooking, paper, plastics and fibers.
  • It provides rubber, oils, latex, and various other materials. It provides forest plants and animals which are used for food and medicines.
  • CLASSIFICATIONS OF FOREST BOREAL FOREST- have one layer of 20-meter trees. These forest are usually found if Northern Asia, Europe and America.
  • TEMPERATE DECIDUOUS FOREST- consists mainly of broadleaf deciduous trees with shrub and herb layers growing on fertile soil. These forest are usually found in Europe and in parts of East Asia.
  • TEMPERATURE EVERGREEN FORESTS- consist of needle leaf, redwood, and eucalyptus trees , as well as liverworts and ferns. These are usually found in North and South America, as well as pacific, where they are home to native flora and fauna.
  • MEDITERRANEAN FORESTconsist mainly of evergreen oaks and laurels and thrive in moist winter and hot summers. Aside from Mediterranean these types of forest are also found in Africa and Australia.
  •  TROPICAL RAINFOREST- have a wide array of trees, but mostly broadleaf evergreens , with shrubs, herbs and climbing plants. Most tropical forest are found in almost all parts of the world.
  • TROPICAL SEASONAL FORESTalso consist of variety of trees, most are deciduous trees, including bamboos and palms. These forest are commonly found in almost all parts of the world.
  • SAVANNAS- are found where trees are widely spaced, and where most of the grounds are covered shrubs, herbs, and grasses, which is why they are mistaken for grasslands. These are mainly found in Africa.
  • MOUNTAIN FOREST- consist of deciduous, needle leaf, and pines. Deer, bears, and panda live in this kind of ecosystem, which found in the mountains of Europe and Asia.
  • DEFORESTATION
  • It is the destruction of forests for human needs without corresponding replacement of lost trees. These leads to soil erosion, drought, flooding, loss of wildlife, as well as worsening greenhouse effect, as fewer trees can absorb carbon dioxide from the air.
  • SOIL
  •  Another renewable resource, and is very important because it is where most living things get their food sources.
  • ECONOMIC VALUES Source of food for plants and animals Serves as grazing land and shelter for herds.
  • PLANTS
  • Very important economic resource, and in fact, it is the crucial to life itself. Come in a variety of forms and shapes, in different types, and hundreds of thousands of species have been identified, and possibly even more.
  • ECONOMIC VALUES They provide food, as human eat the plants as themselves, or their fruits and parts. They serves as raw material for building houses, rope-making and for clothing.
  • They serve as medicine when their parts are processed for purposes of providing healing concoctions or drugs.
  • ANIMALS
  • Considered also as valuable resources and are so diverse that no one knows exactly how many years they are. There are thousands of kinds of fish, birds, reptiles, amphibians, and mammals.
  • ECONOMIC VALUES They provide food to people. They give them clothing. They help people in their work.
  • NONRENEWABLE RESOURCES
  • These resources that cannot be replaced anymore. There is a need to use them efficiently. Because it takes a very long time for this minerals to form. They are being used faster than they can form.
  • COAL
  •  A kind of rock that can be burned to produce heat and energy. Coal comes from the remains of plants that died millions of years ago, and formed thick layers of matter which eventually developed into rocks. This is why it is called fossil fuel.
  • It is used to produce electricity from coal-burning power plants. To produce coke for the manufacture of steel.
  • PETROLEUM
  • Currently the leading energy resource in the world, and almost all machineries, equipment, and vehicles are powered by petroleum products. It also provides electricity and power to households and businesses.
  • It is more generally known as oil, and is sometimes called black gold for wealth it has brought for its producers. Beneath the earth’s surface. Heavily concentrated in Middle East( Saudi Arabia and Kuwait).
  • RECYCLABLE RESOURCES ALUMINUM
  • This a light metal that can be performed and reformed into any shape possible. Usually used for beverage and food cans, foil wrappers, and various containers; and also for cars, airplanes, boats, ships, and different vehicles.
  • COPPER
  • A reddish-orange metal that has been used since ancient times. It is a conductor of electricity, and is malleable enough to be patterned into shapes. Mostly used in the form of copper wires, for conducting electricity , appliances, television sets, and computers.
  • GOLD
  • One of the earliest known metals, and has been a symbol of wealth for people. This metal is beautiful to look at, and is also malleable, ductile, and resistant to rust. Used for production of jewelry and for various ornamental purposes.