Answer:
I think your answer is A. Chemical energy is converted to light energy. I am not 100% sure but i did study this and seems as if this is the only one that makes sense. Hope this helps! If not, sorry :/
Are there options? because there are lots of answers.
Firstly, eukaryotic DNA tends to be much longer; it's held inside a nucleus, so it has to be separated from the rest of the cell; and there are also mitochondria in most eukaryotic cells, which have their own RNA, which has to be separated.
Answer: coral reefs act as a filtering system .
Explanation: