Question

apply it!the surface of mercury has many more craters than the surface of earth has. which of the following statements best explains why mercury has many more craters than earth
earth has a thinner atmosphere than mercury, so most of the objects that are pulled into mercurys gravity burn up before hitting the ground.
earth has a thicker atmosphere than mercury, so most of the objects that are pulled into earths gravity burn up before hitting the ground.
mercury is closer than earth to the asteroid belt, so it is in the path when an asteroid is knocked out of its orbit.
mercury has a stronger gravity than earth. this causes more meteoroids to be pulled toward it.

Explanation:

• Mercury's atmosphere: Mercury has a thinner atmosphere than Earth. A thinner atmosphere means there is less air resistance. When meteoroids (objects in space) approach a planet, the atmosphere can cause them to burn up (due to friction). Since Mercury has less atmosphere, fewer meteoroids burn up before hitting the surface.
• Earth's atmosphere: Earth has a thicker atmosphere. The thicker atmosphere causes more meteoroids to burn up before they can impact the surface. This results in fewer craters on Earth compared to Mercury.
• Gravity comparison: Mercury does not have a stronger gravity than Earth. In fact, Earth has stronger gravity ($g_{Earth}=9.8\ m/s^{2}$, $g_{Mercury}\approx 3.7\ m/s^{2}$). Also, Mercury is not closer to the asteroid - belt than Earth. The asteroid - belt is located between Mars and Jupiter.

Answer:

Earth has a thicker atmosphere than Mercury, so most of the objects that are pulled into Earth's gravity burn up before hitting the ground.