Water, a necessary reactant in photosynthesis, is contained in the leaves themselves. ... Carbon dioxide (CO2) is able to enter the leaf through the stomata, or the holes in the leaf.
Yes it can kill brain cells. if you hold your breath for a short amount of time example 10 seconds it won't do any harm. but if you hold your breath for an extended time like a minute the cells will not get enough oxygen and eventually die. I hope I helped you
The right answer is A I took the test
