Scientists believe that the early evolutionary ancestors of modern animals had an eye spot, a
small group of photoreceptor cells that can detect light vs. dark. How could an animal benefit
from having an eye spot (compared to not having any type of light detector)?

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

Gay-lussac's law i think.

The correct answer is amu.