Your friend's parents tell him that he needs to do more work around the house. How can your friend use science to explain to them that he does plenty of work just by going through his daily activities?

it's all four options.

the answer is c. nacl

what is the question here. i think you messed up.

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