Over thousands of years a comet makes several circuits around the solar system. describe how a comet might change after many trips near the sun

Some of the outer materials could have "melted off" due to the heat from being near the sun. Also, it may have sped up or slowed down, because of gravity and the downsizing of the comet.
Hope this helps!

Writing, you can revisit previous parts of the lesson by returning to the course map. be sure to refer to the lab’s student guide, which you can find on the first page of the lab experiment activity