Aglacier causes mechanical weathering, and mechanical weathering happens when things like ice physically break rock apart. Given these facts, what do glaciers do to rocks among the following options:
- break off
 - Turns them into ice
 - Regrows it
 - Creates more rocks
 - Dries them out
 - protect them
 - Breaks them apart
 - cause their death


 

       Breaks them apart  