8a2-10ab+15b+10 Explaintion:
A second definition comes from Work Place Testing: “Oxygen deficit exists when a body's consumption of oxygen exceeds its intake.” Oxygen deficit occurs naturally during strenuous exercise. When exercise triggers an oxygen deficit, the body will work to replenish oxygen levels during what is known as a recovery period.
The number of protons an element has is its atomic number so the atomic number would be 29