Answer:
d
Explanation:
Mitochondria is the power house of the cell. It's where aerobic respiration happens and release of energy as ATP happens.
Mercator projection map <span />
Competition shapes communities because it is something that people must learn to help eachother out with
My best guess would be c because b makes no since we as humans do not have photosynthesis and are considered living organisims, d is also wrong because the brain requires oxygen, and its not a because the brain is made of cells.