The answer is A. It shows that animals depend on this process for oxygen.
Photosynthesis is how Carbon dioxide (what we breathe out) is turned into Oxygen (what we breathe in)
If Photosynthesis never took place Oxygen would run out and animals would suffocate.
Expository writing is meant to inform a reader about a certain topic. Because of this, D is the correct answer.
Answer:
His response was so Aggravated that i though he must be angry at my question
His response was so Serious that i though he must be angry at my question
