A marcromolecule that contains carbon hydrogen oxygen and nitrogen which is used by the body for growth and repair

Cis your correct answer

The answer is a if u read the definition it makes sense

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