When your outstretched arm turns the palm down, this action is known as: ?

I think so it is known as pronation.

HOPE IT HELPS

The salt in the sea water dehydrated the sailor because her body could not take in the amount to salt in the sea water

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