If You Could Travel to 30 Km Altitude and Then

Multiple Choice

If you could travel to 30 km altitude and then travel back to Earth,you would experience

A) silence at first as the density of molecules would preclude the rush of air passed your ears.
B) overwhelming pressure from the density of air.
C) a slow rate of fall since you would be buoyed up by the atmospheric molecules
D) a descent that lasts for hours.
E) intense heat due to direct solar contact.