How many tides per day

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

How many moles are contained in 5.6 l of h2 at stp

Why do electrons further from the nucleus have more energy