12 in to cm then correct significant figures

Does the energy in a solid increase or decrease when changing to a liquid?

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 agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is call