The Moon has no gravity. The Moon does not go around the Sun. The Moon has little water and oxygen. The Moon is much smaller than Earth.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which fact best explains why there is life on Earth but not on the Moon?
Possibilities:
- The Moon has no gravity.
- The Moon does not go around the Sun.
- The Moon has little water and oxygen.
- The Moon is much smaller than Earth.

The Moon has little water and oxygen.