Weathering and Soil Answers
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Which is one property of silt soils?
A
is looseB
retains waterC
drains quicklyD
has coarse particles2
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Which describes how weathering and erosion are different?
A
Weathering is caused by water.B
Erosion is caused by wind and ice.C
Erosion transports sediments.D
Weathering is a natural process.3
Which describes the formation of Horizon B?
A
forms at the surfaceB
features parent materialC
undergoes the most changeD
forms due to decomposed material4
Which describes the horizons in a soil profile?
A
Horizon A is mineral deficient.B
Horizon O forms from organic material.C
Horizon B undergoes the least amount of change.D
Horizon C is most affected by the soil formation process.5
Which correctly lists the three parts of soil that are classified by their particle size?
A
bedrock, humus, and clayB
clay, bedrock, and siltC
humus, sand, and clayD
sand, clay, and silt6
Which describes a climate effect on the rate of weathering?
A
Cold climates favor mechanical weathering.B
Chemical reactions occur slower at higher temperatures.C
Lower precipitation levels lead to more chemical reactions.D
The chemical reaction rates of minerals are not impacted by temperature.7
Which climate favors mechanical weathering?
A
dry climateB
cold climateC
warm climateD
desert climate8
Organic material provides nitrogen for plants. Which soil component contributes the most nitrogen to plants?
A
clayB
humusC
sandD
silt9
The map shows the Soils of America.
A
frozenB
sandyC
weatheredD
young10
Which property of soil depends on the size of particles?
A
colorB
odorC
temperatureD
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