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1
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Process in which oxygen chemically combines with another substance
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2
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Natural process by which atmospheric and environmental agents disintegrate and decompose rocks
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3
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Process of wearing away of the Earths surface by breaking down and carrying away soil, rock, or sediment
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4
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Grinding and wearing away of rock surfaces through the mechanical action of other rock
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5
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Remains of past plant and animal life
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6
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Idea that geologic processes that occurred in the past can be explained by current geologic process
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12
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Physical features on Earths surface
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13
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Amount of time required for half an original sample of radioactive material to decay
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15
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Atom of a substance that has the same number of protons but a different number of neutrons
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16
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Movement of water through rock or soil
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18
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Body of rock or sediment that allows the flow and stores groundwater
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19
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Removal of substances that can be dissolved
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