Multiple choice

Life without air is:

  1. impossible

  2. reductive

  3. anaerobic

  4. free from oxidation

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

Anaerobic means 'without air' or 'without oxygen'. Organisms that live without air are called anaerobic organisms, and they use processes like anaerobic respiration or fermentation to produce energy. Option C correctly identifies this term.