How to figure out which melting point would have the lowest melting point ?

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

Identify arrows pointing to bonding electrons. done h-0-0-h ) intro

State one important difference between a physical change and a chemical change?