What is the oxygen level on mars? in atmospheres , in percent (%) , and in

mmhg ?

3. inside the astronaut's suit, pressure is maintained at 1 atmosphere and the ideal range of big p o2 is 0.15 to 0.44 (as a

fraction). this means that little po2 ranges from to .

the astronaut's suit maintains carbon dioxide levels close to 0%. what is the survivable level of co2 for humans that will have minor symptoms?
up to 2% is survivable but may have some minor symptoms
10% co2 is survivable indefinitely and may have minor symptoms
as long as the co2 levels are less than the o2 levels, everybody will be fine
once outside the karman line, the co2 levels will never rise above 1% anywhere
if the total pressure in the astronaut's suit drops to 0.5 atm, and it contains 78% nitrogen and 21% oxygen, then what is the partial pressure of nitrogen and oxygen in the suit?
partial pressure of nitrogen is 39% and partial pressure of oxygen is 10.5%
partial pressure of nitrogen is 39 atm and partial pressure of oxygen is 10.5 atm
partial pressure of nitrogen is 0.39 atm and partial pressure of oxygen is 0.105 atm
none of these answers are correct
this question is about survival to low oxygen with or without adaptation (acclimation). which of the following are true?