Weathering and Soil

Question 1

Which processes relate to mechanical weathering? Check all that apply.freezing and thawingplant growthoxidationabrasionacid rain

Revolt · Accepted Answer

A: freezing and thawing; B: plant growth; D: abrasion

Question 2

✔ Area 1Area 2

Revolt · Accepted Answer

A: ✔ Area 1

Question 3

Which material gives the soil its high fertility?

Revolt · Accepted Answer

D: humus

Question 4

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

Revolt · Accepted Answer

C: Sample C

Question 5

Question 5

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 6

topsoil ✔ organic materialweathered rock

Revolt · Accepted Answer

B: ✔ organic material

Question 7

What materials combined to form the topsoil?

Revolt · Accepted Answer

C: decomposed plant litter and weathered parent material

Question 8

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.a forest because it has more trees to provide plant littera desert because it has soil with a larger particle sizea forest because it has more animals to mix the soila forest because the trees prevent rain from reaching the soila desert because the dry air decomposes plant litter

Revolt · Accepted Answer

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

Question 9

✔ topsoilorganic material subsoil

Revolt · Accepted Answer

A: ✔ topsoil

Question 10

topsoil ✔ subsoilweathered rock

Revolt · Accepted Answer

B: ✔ subsoil

Weathering and Soil Answers

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