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Which processes are responsible for the formation of glaciers?

impact and deflation

plucking and abrasion

deposition and erosion

accumulation and compaction

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Some bacteria live in the roots of plants like soybeans and peas.

to absorb nitrogen-containing compounds from the soil

to release free nitrogen into the atmosphere

to break down nitrogen-containing compounds in dead organisms

to convert free nitrogen into usable nitrogen

Which is one factor that scientists use to classify orders of soil?

fertility

climate

dryness

bedrock

Which is the top layer of groundwater?

water table

kettle lake

saturation zone

underground lake

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water vapor

groundwater

runoff

condensation

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