Paper 1 - Glacial erosion Flashcards
1
Q
glacier definition
A
masses of ice that fill valleys and hollows and slowly move down hill
2
Q
When does plucking occur
A
when meltwater at the base, back or sides of a glacier freezes onto the rock. as the glacier moves forward it pulls pieces of rock out
3
Q
abrasion definition
A
where bits of rock stuck in the ice grind against the rock below the glacier wearing it away