Which product of cellular respiration is used by the human body for energy?
(a)oxygen
(b)atp
(c)sunlight
(d)co2

The correct answer is B - ATP

Cellular respiration is the process by which cell produce energy in form of ATP for functioning.

It occurs in three stages :

1. Glycolysis - takes place in the cytoplasm where a molecule of glucose is broken down to form pyruvate.

2. Krebs cycle - takes place in the mitochondria in which co -enzymes NADH and FADH are produced, and some ATP molecules.

3. Electron transport chain - takes place in the mitochondria  in which the highest number of ATP molecules, at least 34, are generated. 

answer; ///i do believe that the correct answer is (c) hold atoms together to form compound;

preservation because he preserves part of the land and preserves means save

explanation: