Respuesta :
Answer:
b. they are small and rocky
Explanation:
i took the quiz and got it correct
The similarity between Mercury and Venus is that they are both small and rocky.
What is a Planet?
This is referred to a celestial body which orbits round the Sun and examples include Mercury and Venus.
The planets , Mercury and Venus are similar such that they are both small and rocky thereby making option B the most appropriate choice.
Read more about Planet here https://brainly.com/question/13106554