Weathering and Soil

Question 1

Which processes relate to mechanical weathering? Check all that apply.

Revolt · Accepted Answer

freezing and thawing; plant growth; abrasion

Question 2

✔ Area 1Area 2

Revolt · Accepted Answer

Area 1

Question 3

Question 139269

Revolt · Accepted Answer

Examine the soil profile and use the drop-down menu to select what each label identifies. Label O: organic material; Label A: topsoil; Label B: subsoil; Label C: weathered rock

Question 4

✔ topsoilorganic material subsoil

Revolt · Accepted Answer

topsoil; Label A: topsoil; Label B: subsoil

Question 5

topsoil ✔ subsoilweathered rock

Revolt · Accepted Answer

subsoil

Question 6

organic material subsoil ✔ weathered rock

Revolt · Accepted Answer

weathered rock

Question 7

Which material gives the soil its high fertility?

Revolt · Accepted Answer

humus

Question 8

Which soil sample has a soil texture that is high in sand?

Revolt · Accepted Answer

Sample C

Question 9

What materials combined to form the topsoil?

Revolt · Accepted Answer

decomposed plant litter and weathered parent material

Question 10

Soil classification is partially determined by the presence of organic material, such as humus. Which would have more humus—a desert or a forest—and why? Check all that apply.

Revolt · Accepted Answer

a forest because it has more trees to provide plant litter; a forest because it has more animals to mix the soil

Weathering and Soil Answers

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