Type the number

Exercise and reference answers

Questions

1. Answer

   6370

   Question

   Radius of the earth in km

2. Answer

   12

   Question

   Depth of the Kola drill in km

3. Answer

   2900

   Question

   Depth of the core-mantle boundary in km

4. Answer

   70

   Question

   Thickness of continental crust under the Himalaya in km

5. Answer

   70000

   Question

   Length of the mid-ocean ridge system in km

6. Answer

   8

   Question

   Km of distance per second of P-S time lag

Instructions

Type the number only.

Explanation