AP Environmental Science 4.2: Soil Formation and Erosion

Practice AP Environmental Science questions on soil formation, horizons, erosion, climate, pioneer species, and watershed water quality.

Covered syllabus points

ERT-4.B—Describe the characteristics and formation of soil

[Maximum number: 1]

The following diagram shows how an area changed over time. The dominant vegetation in each stage is labeled in the diagram. Each roman numeral represents a stage in the ecological process.

Figure for Question 4.2 Soil Formation and Erosion question 1 — AP Environmental Science

Describe how soil forms from stage II to stage III.

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Covered syllabus points

4.2 Soil Formation and Erosion question 1