A scientist finds a fossil that she thinks might make a good index fossil.

A good index fossil is found in a wide geological range. Scientists look for fossils all across the world. If a new fossil is found in the same strata as an index fossil, then the new fossil's age can be correlated to time period during which the index fossil lived.

1.43 x 10^-11 j the guy commented the awnser just making sure u see it .

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