It is there in case a circuit may not work or water may have entered the circuit they can reset or cut off the switch to get rid of the water.
Your answer to the question is true
Answer:
The organisms at the base of the food chain are photosynthetic.
Explanation:
None...........................probably mars
The central nervous system (CNS), which is made up of the brain and the spinal cord, and the peripheral nervous system (PNS), which is comprised of nerves and ganglia (small concentrations of grey matter).
The brain sends messages to the peripheral nerves in the body via the spinal cord, these have control of muscles and internal organs.
