put the steps of seafloor spreading in order from first to last. magma hardens. magma pushes upward. rock…

put the steps of seafloor spreading in order from first to last. magma hardens. magma pushes upward. rock moves outward. a crack forms

put the steps of seafloor spreading in order from first to last. magma hardens. magma pushes upward. rock moves outward. a crack forms

Answer

Brief Explanations:

Seafloor spreading starts with a crack forming in the ocean - floor. Then magma pushes upward through this crack. The magma cools and hardens to form new rock. Finally, the newly - formed rock moves outward from the mid - ocean ridge.

Answer:

  1. A crack forms
  2. Magma pushes upward
  3. Magma hardens
  4. Rock moves outward