Weathering, Soil, and Mass Movement

Front

The process that occurs when physical forces break rock into smaller pieces without changing the rock’s chemical composition is called

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mechanical weathering

Front

Which weathering process involves the constant freezing and thawing of water? Options: unloading, frost wedging, exfoliation

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frost wedging

Front

The inscriptions on marble gravestones become harder and harder to read over time. This is caused by

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chemical weathering

Front

When a rock is exposed to chemical weathering, it

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changes into one or more new compounds.

Front

Which of the following is NOT a factor that affects the rate of weathering in rocks? (Options: evolution, climate, rock characteristics)

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evolution

Front

Chemical weathering is highest in areas that are

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very warm and wet

Front

Rock features such as the sculpted pinnacles seen in Bryce Canyon National Park are the result of

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differential weathering

Front

Which of the following is NOT a major component of soil? air, humus, earthworms

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earthworms

Front

In general, the largest component of bog soils is

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organic matter

Front

Soil that forms on unconsolidated deposits is called

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transported soil