Multiple choice general knowledge science & technology

Aerobic processes need ...

  1. Hydrogen

  2. Oxygen

  3. Helium

  4. Nitrogen

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

Aerobic processes, by definition, require oxygen. 'Aerobic' means 'requiring air or oxygen'. Examples include aerobic respiration in cells and aerobic decomposition. Anaerobic processes occur without oxygen.