The cell membrane

is not a true organelle
contains and protects the cell
is made of a double layer of phospholipids
contains proteins that allow materials to pass through

A) early horses is your answer

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

Alright, i'm gonna try to explain this as good as possible. the law of conservation is like a collection overtime. it never changes though. no matter how you change the constituent parts.

Gay-lussac's law i think.