Aspecial type of cell division called what is used by prokaryotic bateria cells

Which statement justifies that phosphine (ph3) is a polar molecule?

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

The atomic number, or number, is the described as the number of in the nucleus of an chemical element.