Consider the following statements: A body weighs less at the equator than at the poles because:
- Earth rotates about its axis.
- The ice cap at the poles increases gravitational pull.
- Equatorial diameter is greater than the polar diameter.
- Of some unknown facts.
Which of the statements given above is/are correct?
1
1 and 2
2
1 and 3
3
3 only
4
4 only