Your answer will be A.) hope this helps you good luck
Answer:
Septic tanks and oxidation ponds
Explanation:
These system of wastewater treatment and disposal are not too feasible in large municipalities because of the presence of sewer system that has been made available by government, in order to mitigate the possibilities of transmitting enteric diseases that are very harmful to human health.
Answer:
The part of your nervous system that is similar to the autopilot of the airplane is the autonomic nervous system
Explanation:
The autonomic nervous system is regulated by the hypothalamus which in turn controls functions such as digestion, urination and other unconscious functions.
B cells mature in the bone marrow, which is at the core of most bones It recognises invaders by the shape of molecules -antigens- on their surfaces. With the help of T cells, B cells make proteins called antibodies. The antibodies will help your body become aware of intruders.
