Why are there no plants in the aphotic zone?
A. There is not enough free space to accommodate a
plant colony.
B. There are too many predators, so plants can't survive
long enough to reproduce.
C. There is not enough light for plants to undergo
photosynthesis.
D. There is too much traffic, and plants get trampled
before they can put down roots.

C, there is not enough light

Explanation:

Let's look at the word "aphotic". It can be broken into two parts, "a" and "photic". "a" means "not" and "photic" means "light". So, together, they mean "not light". Even if we knew nothing about marine life, we could answer this!

it also supports my hypothesis. if you rest first you can squeeze the clothespin more times. from the data i collected the average of the eight people concluded exercise makes your muscles more fatigued and less able to squeeze the clothespin compared to resting before squeezing.

the sugar-phosphate backbone forms the structural framework of nucleic acids, including dna and rna. this backbone is composed of alternating sugar and phosphate groups, and defines directionality of the molecule.