Seeing that our species is constantly evolving, maybe it is starting to get more uncomfortable to walk on all fours.
The inputs are glucose and oxygen and the outputs are water and carbon dioxide.
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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