Item PT038001: When two plates press together and one plate has continental plate material at its edge, the continental plate material is always pushed upward.

What will happen as continental plate material presses into another plate over many millions of years?

  1. Continental plate material will always be pushed upward.
  2. Continental plate material will always be pushed downward.
  3. Continental plate material will be pushed upward only if it presses into other continental plate material.
  4. Continental plate material will be pushed downward only if it presses into oceanic plate material.