What substances are carried in the urethra?

Which of the following may one conclude from a map that shows the average ph value of rainfall in the u.s.? acid rain is a more serious problem on the east coast. acid rain falls equivalently across the continental u.s. there are more factories on the west coast. the midwest has fewer forests than the rest of the u.s.

How many pounds does the earth weigh?

Which statement best addresses the differences in sex cell differentiation between the red-eared slider turtle and a human?