Comets that come from the Oort cloud have orbits that decay over time, bringing them closer to the sun each year. Option A is correct.
Comets are frozen leftovers from the formation of the solar system composed of dust, rock, and ice.
They range from a few miles to tens of miles wide, but as they orbit closer to the Sun, they heat up and spew gases and dust into a glowing head that can be larger than a plane.
Comets that come from the Oort cloud have orbits that decay over time, bringing them closer to the sun each year.
Hence,option A is correct.
To learn more about comet refer:
https://brainly.com/question/12443607
#SPJ1