One major difference between the inner and outer planets is that the? a-outer planets are much denser. b-outer planets are much larger. c-inner planets have thicker atmospheres .d-inner planets have fiercer storms. asap

Option B, outer planets are much larger

Explanation:

The inner planets are more solidified and compacted while the outer planets are made up of gases and hence the inner planets are more dense than the outer planets. Thus, option A is not correct

The thickness of atmosphere has no specific order of appearance this means that there is no rule which states that inner planets have thin atmosphere while the outer planets have thick atmosphere. Among the inner planets "mercury" and among the outer planets "pluto" have no atmosphere.Thus option C is incorrect

Storms in outer planet is more violent as compared to that of inner planets thus option D is also incorrect.

Hence among the given options, only option B is correct.