Please help me

a=c and then d= c because of the band so you get ac/dc and you add them together you get sound waves

want or the answer

essentially, one bacterial cell splits into two daugurer cells. bacterial offspring don't need or get care from their parents because they are in a sense their own parents. that said, some bacteria can and do depend on other bacteria especially in harsh environments such as bacterial microfilms in hot water tanks.

answer australia and antarctica;