Potential Energy is 0 5. A plant cell with a Ws = -7.5 bars keeps a constant volume (at equilibrium) when immersed in an
open-beaker solution that has a Ws =
Is = -4 bars. What is the cell's Up?

The correct answer is b

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

The answer is c establishing proper sleep hygiene