Match the following columns.
| Column I | Column II |
| A. g is maximum | 1. At the moon |
| B. g is minimum | 2. At the pole |
| C. g is zero | 3. At the equator |
| D. g is 1/6 of the original value | 4. At the center of the earth |
1
A - 1, B - 2, C - 3, D - 4
2
A - 2, B - 3, C - 4, D - 1
3
A - 4, B - 3, C - 2, D - 1
4
A - 4, B - 2, C - 3, D - 1