Which is a requirement for life?\nOptions:\n- (A) glucose\n- (B) hydration\n- (C) sunlight\n- (D) scandium\n- (E) recovery\n- (F) oxygen\n- (G) uranium\n- (H) radon
Hmmm, let me think. I don't want to be wrong, so I got to be careful.
User
Oxygen is essential for cellular respiration for all aerobic organisms. Cellular respiration is a requirement for life. Oxygen is a requirement for life. The answer: (F).
Assistant