The rock in the image is marble, which has many layers and is extremely hard. It was forined under high heat and pressure. Marble is an
example of ?
rock changing into ? Rock

"record the time to complete a chemical reaction" would most likely be part of a lab procedure.

i think its 5049.

i hope this !

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