Consider the following statements:
1. The difference in the readings of gravity due to uneven distribution of mass of material is called Gravity Anomaly.
2. Gravity anomalies give us information about the distribution of mass of the material in the crust of the earth.
3. The gravitation force is a direct source to study the interior of the Earth.
Which of the statements given above are correct?
1
1 and 3 only
2
1 and 2 only
3
2 and 3 only
4
1, 2, and 3