Answer:
It's D, protons. hope this helps you :)
Mitochondria are tiny organelles inside cells that are involved in releasing energy from food.This process is known as cellular respiration. It is for this reason that mitochondria are often referred to as the powerhouses of the cell. Cells that need a lot of energy, like muscle cells, can contain thousands of mitochondria.
Immunosuppressants, by it's name itself, suppresses or inhibits the immune system for functioning in a certain amount of time. It is administered usually during transplant surgeries, so that the new cells of the organ does not get killed by the recipient's immune system.
The answer is C . The rock cycle is driven by energy from the sun as well from the interior of Earth.
Dna replication so it replicates your DNA to occur