Use the hints as you decide whether you believe the facts, or not. Then choose your answer.
Breadcrumbs are hard to control.
Astronauts carry a limited water supply. NASA prepares crews for any emergency they can think of. If a tether snaps, the astronauts will go drifting into space forever. The Space Shuttle has soft, comfortable beds so exhausted astronauts get a good night's sleep. The Space Shuttle flies around Earth much faster than the Earth rotates on its axis.