Misc: In the 1969 Apollo 11 landing, who stayed in the command module?

Questions

A clip, shaped like a bar to keep a womans hair in place is a _______?

A coral island consisting of a ring of rock enclosing a central lagoon is a(n) ________.?

A cough releases an explosive charge of air that moves at speeds up to how many miles an hour?

A cow gives nearly how many glasses of milk in her lifetime?

A cows stomach has how many compartments?