Oxygen and carbon dioxide that are recycled by the oxygen and carbon dioxide cycles are used in cellular respiration and photosynthesis. true
false​

Oxygen and carbon dioxide that are recycled by the oxygen and carbon dioxide cycles are used in cellular respiration and photosynthesis.

the answer is "true"

bro these r easy u may have to do them urself bro. lol jk the answer is two for nimber one, and for question number two sahel boi xd have fun get rekt m8

answer; the parasympathetic nervous system;