In a falling dominoes model of nuclear fission chain reaction, what does the standing dominoes represent and what do the fall of the dominoes represent?

Energy is released during which phase changes? check all that apply. boiling condensing depositing freezing melting subliming

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

Match the name of the following compound:   mgso4  · h2omagnesium sulfate monohydratemagnesium (ii) sulfate monohydratemagnesium (ii) sulfate hydratemagnesium sulfate hydrate