Answer:Oxygen
Explanation: During cellular respiration, glucose is broken down in the presence of oxygen to form carbon dioxide, water and energy. Glucose + oxygen --> carbon dioxide + water + energy.
The balanced chemical equation for cellular respiration is C6H12O2 + 6O2 --> 6CO2+ 6H2O + Energy
Fatigue can have causes that aren't due to underlying disease. Examples include lack of sleep, heavy exertion, jetlag, a large meal, or aging.
The answer to your question 12
Answer:
Amoeba is a unicellular organism
Five conditions are required which are 1)there must be random mating,2)the population must be very large,3)there cannot be no movement into our out of the population, 4)no mutations,5)no natural selection.
