There is no atmosphere, so no winds. The footprints could last tens of millions of years if not disturbed. The LRO (Lunar Reconnaissance Orbiter) has taken pics of all the Apollo landing sites, some clearly enough you can see the footpads of the LM and the trails of disturbed dust where the astronauts walked. A total of 12 astronauts walked on the Moon.
No, because most astronauts just make it into space but don't walk on the moon and their still considered astronauts.
Yes, since the Moon has no erosion.
Yes, it is still on the moon. So are the astronauts footprints.
NONE
Yes
Yes, the American flag(s) left on the moon by the Apollo astronauts are still located on the moon.
No astronauts have died on the moon.
No astronauts littered the moon.
While on the moon the astronauts lived in their lunar module.
The Americans were the first to land astronauts on the moon.
The astronauts landed on the moon, with the help of the lunar module.
There were a total of 12 astronauts who walked on the moon.