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Unit A Chapter 2
Science Vocab
| Question | Answer |
|---|---|
| loose material that covers much of Earth's land surface and is made of three layers | soil |
| any useful material from Earth such as water, oil, and minerals | natural resource |
| The preserving and wise use of natural resources | conservation |
| A solid, found in nature, that has a definite chemical make-up | mineral |
| A mineral or rock that contains enough of a metal to make mining that metal profitable | ore |
| A solid material that is made up of one or more minerals | rock |
| A resource that can be replaced | renewable resource |
| A natural resource that can't be replaced once it's removed | nonrenewable resource |
| A fuel that formed from the remains of once-living things and is nonrenewable | fossil fuels |
| clean and low cost energy from the sun | solar energy |