A breathing mixture used by deep-sea divers contains helium, oxygen, and carbon dioxide. What is the partial pressure of oxygen at a total pressure of 1.0 atm if PHe = 609.5 mmHg and PCO2 = 0.5 mmHg? A. 760 mmHg

B. 500 mmHg

C. 150 mmHg

D. 100 mmHg

it is a good conductor

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