Describe an electron cloud. Then, name and explain a particular model that used the concept of the electron cloud.

An informal concept in physics is the electron cloud.

Explanation:

When they go around an atom's nucleus, it is used to explain where electrons are. The model of the electron cloud is distinct from Niels Bohr's older Bohr atomic model.

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