Some wisdom teeth is completely unharmful, as long as your mouth have enough space for it to grow healthy and you are sure that you can clean it properly, they make no problems.
However, if your mouth is too small, wisdoms teeth may grow in a tilted angle, this is big problem indeed. It may cause damage to other teeth since it doesn't grow upright. In addition, it may be a big problem to clean it properly so tooth decay may occur.
Therefore, it's better to visit the dentist and see if your wisdom teeth cause problem and whether you need to remove them or not.
The answer is d) organic chemistry
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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Nucleotides is the answer: they have a phosphate group, a deoxyribose sugar, and a nitrogenous base.