| Query | User |
|---|---|
| facts mars similar to earth | entered by user 5128246 |
| how is mars similar to earth | entered by user ditto |
| mars how earth and mars are different | entered by user 4474876 |
| water cycle | entered by user 20841652 |
| water cycle | entered by user 7420185 |
| water cycle | entered by user 604534 |