Answer: The nervous system is the major controlling, regulatory, and communicating system in the body. It is the center of all mental activity including thought, learning, and memory. Together with the endocrine system, the nervous system is responsible for regulating and maintaining homeostasis.
Explanation:
Noooo not at all that's just bad for the environment
What are you talking about
Sample b is the control group because it’s the group not being tested and being kept the same.
All mackerel live in the water because all fish live in water and mackerel is a fish
