Mercury is pitted with craters because Mercury has almost no atmosphere to protect itself.
Mercury has no atmosphere and no surface fluids, so there is nothing to erode the craters.
The surface is pitted with meteor impact craters. See related links for pictorial
Nickel Meteor craters .
Craters
Yes, Mercury has craters.
Mercury has impact craters but not volcanoes.
Mercury has lots of craters and canyons
craters
Mercury has craters and mountains but no moons.
No. The craters on Mercury are from the impacts of comets and asteroids, as are most craters on objects in space. We do not have any strong evidence of volcanic activity on Mercury.
inner solar system
Because there are not as many impact craters that you can see very well on Earth like there are on the Moon and Mercury.