Which statement best summarizes the importance of Ernest Rutherford's gold foil experiment? o It proved that all of John Dalton's postulates were true,
O It verified J. J. Thomson's work on the atomic structure.
It showed that an electron circles a nucleus in a fixed-energy orbit
O It showed that a nucleus occupies a small part of the whole atom.

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  

o conteúdo de calor de um sistema é igual à entalpia apenas para um sistema que é constante