mac mixed 24 g of substance A and 23 g of substance B to form 10 g of substance C and a certain amoubt of substance D. which statement is correct?

Orbit is represented by the blank space

The right answer is c.sandstone.

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