I think its the atmosphere ?????
Cell wall because their has to be something protecting it.
Answer:
A (-7)/(1)
Explanation:
(-7)/(-1) would be a positive 7.
7/1 would be a positive 7.
(-7)/(0) would be 0.
Both are large, rocky bodies in space but asteroids tend to stay in the asteroid belt, while meteoroids are a bit smaller and more active.
