Multiple choice

Which of the following is correct?

  1. Both the surface of the earth and the interior are not static and motionless but are dynamic.

  2. The mobile rock beneath the rigid plates is believed to be moving in a circular manner.

  3. Heat within the earth comes from two main sources: radioactive decay and residual heat.

  4. All of the above are correct.

  5. Statements in option 1 and 2 are correct.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is the correct answer as all these statements are correct.

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