D. all of the above because it is in fact below the surface and on top of the saturated zone
Alleles positioned on the same chromosome are not always inherited together because during meiosis linked genes can became separate genes.
This answer is True (True or False question I am guessing) because electron microscopes use like laser beams to magnify the specimen instead of light
I think you forgot to give the options from which the correct answer can be chosen. I have researched based on your question and arrived at the correct answer that i am giving below. The guard cells close the stomata whenever it is filled with water is the false statement regarding guard cells. I hope the answer helps.