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’s the energy source of stars

Temperature and pressure

The atomic nucleus made up from protons (yellow) and neutrons (blue) and held together by nuclear forces. nuclear forces (also known as nuclear interactions or strong forces) are the forces that act between two or more nucleons. they bind protons and neutrons (“nucleons”) into atomic

Answerrestate the main idea,essay or thesis, summarize the three subpoints of your essay, leave the reader with an interesting final impression;