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Earth Resources-C25-2

Derrick N

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3.material left after ore is extracted.
5.natural resource that can be mined at profit.
8.pollutants in air occur in quantities that become harmful to human health.
10.natural resources that is possibles to use indefinitely without causing a reduction in the available supply.
11.unweathered parent rock.
12.occurs when salt water is distilled.
1.resource that exists in few places and can only be replaced by geological, physical, and chemical processes that take hundreds of millions of years.
2.The replacement of renewable resources at the same rate they are consumed.
4.Resources that the Earth provides
6.process where productive land becomes desert.
7.substances that can affect the survival, health, or activities of organisms.
9.mixture of gravel, sand, and crushed stone that forms around Earth's surface.

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