the answer is photosynthesis bcuz plants have to go thru the photosynthesis process to give off oxygen. hope the helps Brianliest??
Answer: Hello your answer is.....
The correct answer is: Consumers
Explanation:
Consumers produce carbon dioxide for producers to use during photosynthesis.
Hope this helps!♥
Alveoli are found in lungs and exchamge O2 and Co2 !!
so answer is last one !!
