By Debra Spencer,2014-02-10 01:17
58. The changes in atmospheric gas pressure with altitude are:
0 rises with altitude
0 decreases in a linear manner with altitude
0 decreases more slowly at lower altitudes compared with at higher levels
1 non-linear, with a higher rate of change at lower levels
60. Breathing 100% oxygen at 40000 ft is equivalent to breathing ambient air at: ..