geographic factors and natural resources
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Geographic Factors and Natural Resources. Chapter 2 Section 2 pg.31. Natural Resources. Is anything from the Earth that people use in meeting their needs for food , clothing , and shelter . Examples of these resources include soil , water , minerals , and vegetation . - PowerPoint PPT PresentationTRANSCRIPT
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Geographic Factors and
Natural ResourcesChapter 2 Section 2 pg.31
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Natural Resources• Is anything from the Earth that people
use in meeting their needs for food, clothing, and shelter.
• Examples of these resources include soil, water, minerals, and vegetation.
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Raw Materials• People use some resources just the way they come
from nature. Water is one example.
• But most resouces must be changed in some way to make something useful. These resources are called raw materials.
• They must be processed to make them into useful materials such as paper and lumber.
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Three Kinds of Resources
•Geographers divide the Earth’s natural resources into three groups.
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1.- Recycable Resources• Water, nitrogen, and carbon are examples of
recycable resources.– These resources recycle through our
environment naturally. The water cycle, for instance, naturally recycles our fresh water supply.
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2.- Renewable Resources• Trees and other living things on the Earth. – These resources are different from recycable
resources because they can be replaced.
Example: A timber company may harvest all the trees in an area. If the company plants new trees to replace them, however, they are renewing the resource.
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Interesting FactDid you know
treescould get this big?
This is a giantsequoia.
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3.- Nonrenewable Resources• When these resources are used up, they
cannot be replaced. -Most non living things, such as minerals, coal, natural gas, and petroleum, are non renewable resources.
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Ancient Energy: Fossil Fuels
• Fossil fuels were created over millions of years from the remains of prehistoric plants and animals.
• These fuels are no longer being created. As a result, fossil fuels are non renewable resources.
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Energy Resources• Everyone in the world needs energy. Certain areas are rich
in some energy resources, while others have very few.
• Countries like Saudi Arabia and Mexico have huge amounts of oil.
• Others like the U.S.A. and China, have coal and natural gas.
• Countries with many rivers like northwestern Europe, can use water energy to create electricity. Others such as Japan, have very few energy sources.
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Section 2 Assessment1.- Define the following words:
natural resources, raw materials, recycable resources, renewable resource, nonrenewable resource, fossil fuels
2.- What are the different types of natural resource?
3.- Investigate: What factors have made energy scarce?