Question

why does the moon have more impact craters on its surface than earth does? choose the correct answer. earths gravity causes more objects to collide with the moon than with earth. most of earths impact craters have been destroyed by plate tectonics and erosion. earths magnetic field deflects more objects than the very weak magnetic field of the moon does. the rocks that compose the moons surface are more easily deformed than earths surface rocks.

Explanation:

To determine why the moon has more impact craters than Earth, we analyze each option:

• Option 1: Earth’s gravity actually attracts more objects (like asteroids) than the moon’s, so this is incorrect.
• Option 2: Earth has processes like plate tectonics (which reshapes the crust) and erosion (wind, water, etc. that wear down craters) that destroy impact craters over time. The moon lacks these processes, so most of Earth’s impact craters have been destroyed by these factors, leaving the moon with more visible craters. This is correct.
• Option 3: The magnetic field is not the main factor in deflecting impact - causing objects (the atmosphere and gravity - related factors are more relevant for that), so this is incorrect.
• Option 4: Moon rocks are not more easily deformed; in fact, Earth’s surface has more dynamic processes (like plate tectonics, erosion) that change the surface, while the moon’s surface is relatively static except for impacts, so this is incorrect.

Answer:

Most of Earth’s impact craters have been destroyed by plate tectonics and erosion.