See the set up in picture 1, where a finger holds a syringe containing a tied balloon closed.

Then see picture 2, where the syringe is pulled open and the tied balloon expands. How are the molecules of air in picture 1 different than the molecules of air in picture 2?

in the analysis of systems that involve fluid flow, we frequently encounter the combination of properties u and pv.

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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