atmosphere in a sealed space craft contains
a) pure oxygen
B) a mix of oxygen and nitrogen
c) a mix of oxygen and carbon dioxide
d) pressurized atmospheric air available normally on earth

Question

atmosphere in a sealed space craft contains 
a) pure oxygen
B) a mix of oxygen and nitrogen
c) a mix of oxygen and carbon dioxide
d) pressurized atmospheric air available normally           on earth

jhonyy9 · Answer

- so i think is c.

anonymous · Answer

i got ans. it is D

jhonyy9 · Answer

- so yes normally can being this right ,correct i think because there have wrote the same like on earth

anonymous · Answer

y nazima its D? reason coz i m not sure y i think that D is that ans as i have a guess only so just wanna knw accurate reason

anonymous · Answer

They tried pure oxygen once... three men died. http://en.wikipedia.org/wiki/Apollo_1#Fire

anonymous · Answer

@heena check this out http://science.howstuffworks.com/sleep-in-space1.htm

anonymous · Answer

But there won't be normal like as in earth due to zero gravity air availability  will be lesser at bottom

anonymous · Answer

D