Answer:
The carbon, oxygen, and nitrogen cycles are all biogeochemical cycles. They show the movement of elements through living and nonliving components of the Earth. Carbon, oxygen, and nitrogen, are essential components of life that pass through organisms and nonliving components, but are never used up.
Explanation:
example on edge.
The central nervous system is the center of the body like a spinal chord in stuff peripheral nervous system is the sides like your arm's, Legs anything that's outside the spinal chord area
Commensalism. the symbiont benefits and the host is unharmed.
DNA splitting is DNA replication.
Answer:
Atmosphere and biosphere Biosphere and geosphere Hydrosphere
Explanation: