Can calcium or magnesium metal be disposed of down the drain

We should never dispose pieces of any metal down the drain. We may dispose waste liquids, but not solid metals. They are also considered as hazardous materials and should be thrown to appropriate bins. Calcium or magnesium metal are reactive, flammable solids which could irritate the skin upon contact. Throwing these metals down the drain would be hazardous and careless.

the answer is   c.) 1575 j.

explanation:

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