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Earth Resources-C25-2

Whit Butler

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7.Resources that are possible to use indefinitely without causing a reduction in the available supply. (2 Words)
9.Occurs when saltwater is distilled.
11.A mixture of gravel, sand, and crushed stone that naturally accumulates on or close to Earth's surface.
12.The process whereby productive land becomes desert.
1.A resource that exists in a fixed amount in various places in Earth's crust and can be replaced only by geological, physical, and chemical processes that take hundreds of millions of years. (2 Words)
2.The replacement of renewable resources at the same rate at which they are consumed. (2 Words)
3.Resources that Earth provides. (2 Words)
4.Pollutants in air occur in quantities that become harmful to human health and the health of the environment. (2 Words)
5.Deeper soil lies on a base of unweathered parent rock.
6.Natural resource that can be mined at a profit.
8.Substances that can adversely affect the survival, health, or activities of organisms.
10.Material left after the ore is extracted.

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