Item WE049001: Wind can gradually wear away the solid rock of mountains as much as thousands of feet over many millions of years.

Which of the following statements describes how wind can change mountains?

  1. Wind can gradually wear away the solid rock of mountains as much as thousands of feet over many millions of years.
  2. Wind can wear away the solid rock of mountains no more than several feet over many millions of years.
  3. Wind can wear away the solid rock of mountains no more than several inches over many millions of years.
  4. Wind cannot wear away the solid rock of mountains, even over many millions of years.