Submitted by SnekkyGlekky t3_11019kw in askscience
_koenig_ t1_j87h5eg wrote
Reply to comment by SnekkyGlekky in Will a 400m long tube have breathable oxygen inside? by SnekkyGlekky
CO2 would escape because it's heavier than other air molecules (O2, N2). If you had CH4 on the other hand, it'd build up on the higher part...
Viewing a single comment thread. View all comments