Multiple choice

Which of the following is an example of erosion?

  1. water freezing and expanding in the cracks of a driveway

  2. wind breaking down small bits of rock in a canyon

  3. rain raising water levels in a river

  4. ocean waves carrying away sand from the coastline
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Erosion is the process by which soil and rock particles are worn away and moved elsewhere by wind, water, or ice. Ocean waves carrying away sand is a classic example of coastal erosion.

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