Which gas has higher partial pressure in tissues ?

Which gas has the highest partial pressure in atmosphere :

Which gas has the highest partial pressure in atmosphere?

Which gas has the highest partical pressure in atmosphere?

The partial pressure of dry gas is

1 gram of H_2 .4 grams of He, 7 grams of N_2 and 8 gram of O_2 are present in a vessel. The gas that exert higher partial pressure is

Which of the partial pressure are equal ?

The partial pressure of a dry gas is

The partial pressure of a dry gas is