Erosion and Deposition Answers
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The map shows the Soils of America.
A
frozenB
sandyC
weatheredD
young2
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Organic material provides nitrogen for plants. Which soil component contributes the most nitrogen to plants?
A
clayB
humusC
sandD
silt3
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.4
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 describes the formation of Horizon B?
A
forms at the surfaceB
features parent materialC
undergoes the most changeD
forms due to decomposed material6
Which is one factor that scientists use to classify orders of soil?
A
fertilityB
climateC
drynessD
bedrock7
Which soil would most likely be found in the Arctic?
A
AndisolsB
GelisolsC
HistosolsD
Spodosols8
Which increases the rate of soil formation?
A
mixed layersB
more precipitationC
cooler temperaturesD
very hard parent material9
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.10
Which factor contributes to both chemical and mechanical weathering?
A
abrasionB
freezingC
oxidationD
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