All cells rely on passive and active transport of water and dissolved solutes to maintain a stable internal environment which is called
1. Diffusion
2.homeostasis
3.equilibrium
4.metabolism

The answer to the questions is homeostasis, which is to maintain a stable internal environment.

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

Idont understand i'm sorry