Why are scientists now more excited about sound levitation than they had been previously? SELECT AN ANSWER

Sound levitation was previously only a theory and has only now been done experimentally.

By using sound levitation at the right frequency, scientists can break objects like glass.

The cost of sound levitation has decreased dramatically over the past decade.

Research has shown scientists can control the movement of liquids with sound without touching the liquid​

Explanation:

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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