A measure of the average kinetic energy of particles arrowBoth energy that a substance has because of the arrangement of its atoms arrowBoth the process of breaking down an existing set of substances to form a new set of substances arrowBoth a phase in a reaction in which existing bonds break to form new bonds arrowBoth energy required to start a reaction arrowBoth

gas

explanation:

smoke is the matter of a gas

answer: any goods being imported from another country may be subject to issued by the federal government are tariffs

explanation:  

tariffs are a tax on anything that are imported from abroad. government use them to protect and boost their local industries and the thought is that they encourage consumers to buy local instead of importing and they will hope will protect jobs and economy in the country that implements them  

more infor would

a lot