7. At an underwater depth of 250 ft, the pressure is 8.38 atm. What should the mole percent of oxygen be in diving gas for the partial pressure of oxygen in the mixture to be 0.21 atm, the same as in air at 1 atm

Plz ill give u brainliest which of the following steps is not likely to take place during cellular respiration? a.oxygen combines with carbon of simple sugar. b. energy molecule transfers energy to cells. d. energy is used up.