at the summit of a high mountain, the atmospheric pressure is 380 mm hg. if the atmosphere is still composed of 21percent oxygen, then the partial pressure of oxygen at this altitude is about .

The soviet union beat the us to the first successful launch, with the october 4, 1957, orbiting of sputnik 1, and later beat the us to have the first human in earth orbit, yuri gagarin, on april 12, 1961. the "race" peaked with the july 20, 1969, us landing of the first humans on the moon with apollo 11

When plants die fungi breaks them down