James found that he could take a low dose of cocaine and mix it with a low dose of amphetamines and have nearly the same effect as if he had taken a high dose of cocaine. This is due to the effect of combining the drugs.

The correct answer is c

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