La cantidad de sangre de una persona es igual a la de otra

No depende de la persona una persona grande va tener mas sangre q otra

No, todo somos diferente, hasta en la cantidad de sangre

The answer is option a.

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