Which substance is produced during cellular respiration? (a) oxygen
(b) sugar
(c) carbon dioxide
(d) vitamins

Which gas is used by humans in the process of cellular respiration?
(a) methane
(b) nitrogen
(c) oxygen
(d) carbon dioxide

The main substances produced in cellular respiration according to the summarized equation of cellular respiration would be Carbon dioxide, water and ATP. Energy.

(c) carbon dioxide

Your body cells use the oxygen you breathe to get energy from the food you eat. This process is called cellular respiration. During cellular respiration the cell uses oxygen to break down sugar.

(c) oxygen

hi i think the first one is C and the 2nd question is C, i hope this helps

Explanation:

Have a wonderfull day

obviously, the latter.

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explanation: