Most things can't be explained or it hasn't been discovered yet. Science is all about asking questions and figuring out how things are the way they are.
Answer:
Democracy does play a role in population growth rate. Depending on who we vote as President and what law he/or soon to be she can pass one day abortions might stop as a whole, causing the growth rate to go up. For example, in South Korea, the President passed a law that abortions are no longer allowed. People now can not kill the not yet born child in here stomach under no circumstances. This will cause the growth rate to go up in South Korea.
The scrotum functions to keep the testes at an optimum temperature
I think it’s an African lily.
The answer is y is equal to 4