Run the Earth gates

Exercise and reference answers

Questions

1. Correct

   Crust

   Choices

   1. Crust
   2. Mantle
   3. Neither

2. Correct

   Mantle

   Choices

   1. Crust
   2. Mantle
   3. Neither

3. Correct

   Rift

   Choices

   1. Rift
   2. Subduction
   3. Neither

4. Correct

   Subduction

   Choices

   1. Rift
   2. Subduction
   3. Neither

5. Correct

   Liquid

   Choices

   1. Liquid
   2. Solid
   3. Neither

6. Correct

   Solid

   Choices

   1. Liquid
   2. Solid
   3. Neither

Instructions

Pick the correct term at every gate.

Explanation