Consider the following statements related to China's Artificial Moon research facility:
1. The facility will help in conducting low-gravity environments using magnetism.
2. The USA already has built such facilities in the past.
3. Moon's gravity is one-fifth of Earth’s gravity.
Which of the statements given above is/are correct?
1
1 only
2
2 and 3 only
3
1 and 2 only
4
1 and 3 only