There is no atmosphere on the Moon. The Moon exerts less gravitational force than Earth. Space suits helped them jump higher. The Moon rotates faster than Earth does.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: When people walked on the Moon, they found that they could jump higher than they could back on Earth. Why is this true?
Possibilities:
- There is no atmosphere on the Moon.
- The Moon exerts less gravitational force than Earth.
- Space suits helped them jump higher.
- The Moon rotates faster than Earth does.

The Moon exerts less gravitational force than Earth.