What is the formula for nickel || dichromate

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

Which answer lists the fundamental forces in order from strongest to weakest

Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.