You are presented with the question "What do glaciers do to rocks?" and the following answer choices: 
- break off
 - Turns them into ice
 - Regrows it
 - Creates more rocks
 - Dries them out
 - protect them
 - Breaks them apart
 - cause their death

Now knowing that aglacier causes mechanical weathering and mechanical weathering happens when things like ice physically break rock apart, choose the best answer.


 

       Breaks them apart  