Multiple choice

What is an example of chemical weathering?

  1. pressure

  2. freezing

  3. acid rain

  4. thawing
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Acid rain is a classic example of chemical weathering because it involves a chemical reaction between acidic water and minerals in rocks, causing them to dissolve or alter. Freezing, thawing, and pressure are physical processes that mechanically break rocks apart without changing their chemical composition. Therefore, acid rain is the only chemical process listed.

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