With reference to the interior of the earth consider the following statements.1] The earth’s radius is 6,371 km.2] The deepest drill at Kola, in Arctic Ocean, has so far reached a depth of 12 km.3] Rocks along a fault tend to move in the same direction.Which of the statements given above is/are correct?

• A. 1 and 2 only
• B. 1 only
• C. 2 and 3 only
• D. 1, 2 and 3