Multiple choice

How is mechanical weathering (MW) different from chemical weathering (CW)?

  1. CW occurs in a quicker time frame than MW

  2. CW occurs in the mountains; MW occurs in flat landscapes

  3. CW occurs in the tropics; MW occurs in temperate climates

  4. CW changes the chemical composition of materials; MW doesn't
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Mechanical weathering physically breaks rocks into smaller pieces without altering their mineral composition. In contrast, chemical weathering involves chemical reactions that transform the minerals within the rock into new substances.

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