B. makes the most since. So im going to go with B
Nerves. The brain and spinal cord are part of the CENTRAL nervous system, and the kidneys are part of the renal system.
Answer:
hope it will help
Explanation:
The carbon cycle describes the process in which carbon atoms continually travel from the atmosphere to the Earth and then back into the atmosphere. Carbon is released back into the atmosphere when organisms die, volcanoes erupt, fires blaze, fossil fuels are burned, and through a variety of other mechanisms.
