Answer:
Nucleic Acids
Explanation:
Nucleic acids are made out of nucleotides and they come in two forms: Deoxyribonucleic Acid (DNA) and Ribonucleic Acid (RNA). DNA holds the code of life, in other words, it holds the code for making proteins that are essential in building cells, tissues, and organs. DNA is found in the nucleus of a cell.
I believe that would be irritability.
The process is called osmosis..its the transportation of water
I would say that it would be C, Relationships of trees to other organisms in the rain forest...