Which is an example of the strong force in action?

a battery-powered radio produces sound.
a magnet keeps a cabinet door closed.
the sun pulls on earth as earth moves around the sun.
the protons in the nucleus of a carbon atom are held together.

It would be D) The protons in the nucleus of a carbon atom are held together.

Explanation:

Strong forces only work in the nuclei

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  

i think its 100

i hope this !