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Definition
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Definition
any useful material from Earth |
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Definition
the wise use of natural resources |
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Definition
a mixture of weathered rock and humus |
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Definition
reddish or yellowish layer made up largely of clay particles that have been weathered out of the rock below |
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Definition
solid material made up of one or more minerals |
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Definition
a natural solid that has a definite chemical makeup |
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Definition
rock that can be mined for the minerals it contains |
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Definition
a resource that can be replaced |
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Definition
a natural resource that can't be replaced |
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