I apologize for the confusion. The correct answer is Uranus and Neptune. They are the least alike in composition and size among the given options.
you sure?
I apologize once again for the incorrect response. The correct answer is actually Earth and Venus. The Moon and a comet are both significant differences in terms of composition and size. Uranus and Neptune belong to the same class of planets and have similar compositions and sizes. An asteroid and a meteor are also similar in composition and size as they are both small celestial bodies in space.
