Answer:
It controls opening and closing movements of the stomata, but that isn't one of the answer choices.
Explanation:
C) a system is a set of parts that function together as a whole
Answer:
C. Both of the above.........
Are me and you dating, #?
I believe it is a 2:1 ratio of hydrogen to oxygen, because the way i learned was that carbon hydrogen and oxygen have a ratio of 1:2:1, respectively.