What function does the central vacuole in a plant cell performs

Which statement is a reason to support population regulation? a) it is unethical for us to control birth control rates b) humans have the freedom to produce as many children as desired c) the gap between the rich and poor has been narrowing since 1960 d) billions more people on the earth will intensify many environmental and social problems

Which best describes why nh4+ can form an ionic bond with ci-?

What is the molar mass of ca(cio4)2