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For scieance

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
Natural Resource   Is a material found on Earth that can be used by people.  
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Nonrenewable Resource   Is one that cannot be replaced for thousands or millions of year once it has been used up.  
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Renewable Resource   Is a natural resource that can be replaced or can replace or new itself.  
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Evaporation   The process in which liquid water changes to water vapor.  
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Condensation   Is the processes in which water vapor turns back into liquid water.  
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Precipitation   Water that falls to Earth.  
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Fossil Fuel   Is a fuel formed from the remains of ancient plants and animals.  
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Pollution   Is the adding of harmful material to the air, water, and soil.  
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Humus   Is a material made up of decayed plant and animal matter.  
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Soil Profile   Is a cross section of soil that shows the different layers in soil.  
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Top Soil   The upper layer of soil that contains minerals and humus.  
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Pollutant   Is a material that causes pollution.  
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Conservation   Is the preserving and wise use of natural resources.  
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Biodegrable   Product is one that breaks down easily in the environment.  
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Created by: gdrake
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