I would go with C) food because food gives us energy, healthy veggies gives us energy and unhealthy junk food really doesn't give us as much energy and makes us fat. Not air because air is the need for life, not energy and not a place to live since that really doesn't give us energy.
Don’t really get what you’re asking but I guess the answer is commensalism
Answer:The nucleus
Explanation:The nucleus is the largest organelle in a eukaryotic cell and is considered to be the cell's control center. It contains most of the cell's DNA, which makes up chromosomes and is encoded with the genetic instructions for making proteins