Which statement best describes the role of oxygen in cellular respiration: 1. Oxygen molecules form as ATP molecules are made
2. Oxygen molecules form as sugar molecules are broken down
3. Oxygen molecules are a waste product of waste
4. Oxygen molecules are used to make water molecules

Ok and idk andssddd

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