Multiple choice

Which of the following is a synthetic fertilizer?

  1. Compost

  2. Humus

  3. Urea

  4. None of these

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

Urea (NH2)2CO is a synthetic nitrogen fertilizer produced industrially through the Haber-Bosch process combining atmospheric nitrogen with hydrogen. Compost and humus are organic natural fertilizers, while urea is manufactured synthetically in chemical plants.