Multiple choice

Which example shows a chemical change that causes decomposition?

  1. leaves growing on a tree

  2. a branch breaking into smaller pieces

  3. fruit decaying on the ground after falling off a tree

  4. flower petals wilting due to a lack of water
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Decay or decomposition is a chemical process where organic matter is broken down into simpler substances by microorganisms, changing its chemical composition.

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