Ice erosion Flashcards
1
Q
what is a pyramidal peak
A
a mountain has three of four carries around the mountain top
the glaciers erode their back walls , cutting into the mountain top
it becomes a pyramidal peak
2
Q
name the two main ways glaciers cause erosion
A
plucking — sediment are picked up by glacier. they freeze to bottom of glacier and carried away by flowing ice
abrasion —when glaciers scape over earths surface. they wear away the rock. sediment and rock grind away as glacier move