The correct answer is B. Medium. This is because to travel through the ear, the sound wave must go through the ear drum.
Overpopulation means more people. The more people there are, the more resources needed to stupport the overpopulation. The more resources that are used the more of a deterioration of our ecosystem therefor causing global warming.
Answer: Tornadoes are made out of air, thunderstorms which are in contact from the ground. Tornadoes usually target the southern area of the country I think.
Explanation:
