UPPER COURSE Flashcards
1
Q
V-shaped valleys
A
1) Vertical erosion
2) Valley sides weathered
3) Mass movement by gravity
4) V-shaped valley formed
2
Q
Interlocking spurs
A
River swings from side to side as river will avoid hard rock as it can not vertically erode this hard rock
3
Q
How are waterfall formed
A
1) Softer rock below hard rock
2) Water erodes the soft rock, forms small step
3) Falling of water creates plunge pool
4) Undercutting will cause hard rock above to collapse
5) Waterfall retreats upwards and gorge forms