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Importance of Natural Resources

Matching word descriptions

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A	B
Soil	the loose material that covers much of Earth's land surface
natural resource	any useful material from Earth, such as tress, petroleum, air, and water
conservation	the wise use of natural resources
topsoil	mixture of weathered rock and humus (Top layer)
Humus	decayed plant and animal matter
Subsoil	reddish or yellowish layer made of clay particles that have been weathered (2nd layer-right under topsoil
weathered rock	rock that lies under the looser soil above it(or right above the bottom layer)
Bedrock	Hard lower surface of soil (Bottom layer)