Answer:
because of lack of vaccination
Explanation:
this occur mostly in Nigeria
Pituitary gland is the endocrine gland that communicates with hypothalamus in our body growth.
Explanation:
Incinerators are not helpful in reducing pollution as they produce a lot of ash and smoke so it increases the air pollution by burning of waste.
Solar and wind energy are the clean source of energies replacing the fuels. Catalytic converters reduce the air pollution from the exhaust fumes of vehicles.
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Blood flow goes from the heart, to the lungs, and back to the heart again.