This is because small planets do not have a high gravitational force to hold an atmosphere; some might have had an atmosphere, but due to the little gravitational force it might have drifted away
Answer:
pretty sure it's d not sure also might be b but I think it's d
Answer:
it is a
Explanation:
I don't know the answer but I'm sure that it is a if it is not a I'm sorry please let it be a okay I'm sorry if it is now a okay hear me o. this o e