Crazysina120
New member
the impacts of meteoroids, a? The surfaces of Mercury, the Moon, and Mars are riddled with craters formed by the impacts of meteoroids, asteroids, and comets. Most of these impact craters are billions of years old. By contrast, there are only a few conspicuous craters on Earth’s surface, and most of these are generally less than a few hundred million years old. What explains the difference? Clearly distinguish the main reason for the difference from other reasons