Exam (elaborations)
Weathering and Erosion QUESTIONS AND ANSWERS (2024/2025) (VERIFIED ANSWERS)
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Weathering and Erosion QUESTIONS AND ANSWERS (2024/2025) (VERIFIED ANSWERS)
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Weathering and Erosion1. weathering: the process by which natural forces break down rocks
2. erosion: when weathered particles are picked up and moved from
one place to another
3. chemical weathering: breakdown of rock by chemical reactions that
change the rock chemical composition
4. mechanical weathering: breaking up of rock by physical force
5. 4 types of mechanical weathering: ice wedging, root pry, exfoliation
water or
by pres- sure, and abrasion
6. abrasion: process of wearing down rock by friction - usually due to
1/
, 7. exfoliation: process in which layers of rock gradually break ressure
is
off as p released from the rock
8. ice wedging: the repeated freezing and thawing of water hat causes
the
in rocks t rock to split apart
crack
9. root pry: breaking apart of rocks by plant roots growing into rock
s
10.acid rain: rain that contains sulfuric acid from pollution and can
n rocks
cause weather- ing of rocks to
2/
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