How do rockets move in space? What shape is a human skin cell? What is on the surface of the Moon? How do worms breathe underground?
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: A telescope would be most useful in answering which question?
Possibilities:
- How do rockets move in space?
- What shape is a human skin cell?
- What is on the surface of the Moon?
- How do worms breathe underground?

What is on the surface of the Moon?