What differences did you notice between the old and young craters? k12 question plz

What's cool concerning it's the apparent age discrepancy between the 2 craters.

The Moon lacks water and air, however, it's erosion nonetheless: micrometeor impacts, solar wind, and even thermal stress caused by the month-long day-night cycle slowly wear away at the surface. previous craters have a rounded look to them, whereas fresher craters are sharp-edged.

Earths place in space 

The answer i think is d