Weathering and Soil

Question 1

Organic material provides nitrogen for plants. Which soil component contributes the most nitrogen to plants?

Revolt · Accepted Answer

humus

Question 2

The map shows the Soils of America.

Revolt · Accepted Answer

weathered

Question 3

Which describes the formation of Horizon B?

Revolt · Accepted Answer

undergoes the most change

Question 4

Which describes a climate effect on the rate of weathering?

Revolt · Accepted Answer

Cold climates favor mechanical weathering.

Question 5

Which increases the rate of soil formation?

Revolt · Accepted Answer

more precipitation

Question 6

What is one of the causes of mechanical weathering?

Revolt · Accepted Answer

animal actions

Question 7

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

Revolt · Accepted Answer

climate

Question 8

Which describes the horizons in a soil profile?

Revolt · Accepted Answer

Horizon O forms from organic material.

Weathering and Soil Answers