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PT Weathering, Erosion, Age Of Rocks
Test Description: Review part 1
Instructions: Answer all questions to get your test result.
1) When outer layers of rocks peel away from changes in outside temperature
A
root pry
B
oxidation
C
frost wedging
D
exfoliation
2) When a rock breaks into small pieces because water gets into cracks and expands and freezes
A
abrasion
B
exfoliation
C
frost wedging
D
pressure reducation
3) When water dissolves minerals in rocks making them weaker
A
pressure reduction
B
exfoliation
C
hydrolysis
D
oxidation
4) Oxygen mixes with other elements to weaken rocks ( iron + oxygen)
A
oxidation
B
hydrolysis
C
abrasion
D
humic acid
5) When wind or water moves small particles that hit and break down rough rocks
A
abrasion
B
pressure reduction
C
frost wedging
D
hydrolysis
6) When acids chemically break down rocks, caused by living organisms on the rock
A
physical weathering
B
plant acid
C
oxidation
D
hydrolysis
7) Plant acid (humus), water, and oxygen are all agents of ___________
A
physical weathering
B
dune migration
C
erosion
D
chemical weathering
8) Water will _____________ when it freezes, causes rocks to break apart
A
collapse
B
evaporate
C
shrink
D
expand
9) Chemical weathering occurs ___________ when there is more surface area
A
does not happen
B
faster
C
slower
D
moderatly
10) The darkest and richest soils are found in the ___________
A
C horizon
B
A horizon
C
Bedrock
D
B horizon
*select an answer for all questions
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