resources and environment
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RESOURCES AND ENVIRONMENT
Prepared by Sir Theo
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Resources – are materialsthat are used to help satisfyhuman needs.
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Resources include;• Natural Resources such as: Land Minerals Water Plants Animals Sunlight
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• Human Resources or Labor Capital
which are the people who work and their ability, education, and skills
• Physical Resourcessuch as infrastructure,
energy, financial, energy, financial capital, and technology (inventions and innovations.
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THE WORLD’S RESOURCES
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RENEWABLE NATURAL RESOURCES are those that can be replaced naturally within a certain period, such as forests, soils, plants and animals, and water.
FORESTS Are large areas of land covered
by trees, which have gown naturally for centuries and include shrubs, mosses, wild flowers, and other small plants.
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The Economic Values of Forests are:1. It supplies wood from trees, including timber and plywood. 2. It provides, oils, latex, and various other materials. 3. It provides forests plants and animals which Are used for food and medicines
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The Worlds Forests may be classified according to variousgeological formations Boreal Forests Temperate Deciduos Forests Temperate Evergreen Forests Mediterranean forest
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Tropical Rainforests Tropical seasonal forests Savannas Mountain forests
Deforestation – it leads to soil erosion, drought, flooding, loss of wildlife as well asworsening greenhouse effect
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Soils – it is were most living things get –their food sources.Economic value:They serve as sources of food for plants and animals.They serve as grazing land and shelterFor herds.
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Plants – very important economicresource.Economic value:They provide foodThey serve as raw materials such as Timber and logs for building houses.They serve as medicine
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Animals – are considered also as valuabLe resources. Economic value:They provide food for people.They give them clothing.They help people in work
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NON-RENEWABLE NATURAL RESOURCES
Are those resources that cannot be replaceAnymore.
COAL
PETROLEUM
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RECYCLABLE MATERIALS These are resources that may be usedmore than once, or converted into different forms.
ALUMINUM COPPER GOLD
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