Multiple choice

What is soil made of?

  1. Rocks and humus

  2. Gases

  3. Minerals and water

  4. Sand and minerals

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Soil is formed from weathered rocks and humus (decomposed organic matter). While soil contains minerals and water, option A best captures the two fundamental components. The question could have been clearer.