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Q. Study the following statements about the interior of the earth and select the correct answer from the codes given below: 1. The average density of the outer crust is 2.8. 2. The crust is separated from the mantle by the gutenburg discontinuity. 3. There is sudden increase in the velocity of p waves along the mantle core boundary. 4. The inner core of the Earth is in molten state.
  • A. 1 and 2
  • B. 2 and 3
  • C. 1 and 3
  • D. 3 and 4

Correct Answer: C