Waterfalls Flashcards
1
Q
What is the first stage of forming a waterfall?
A
River meets layer of less resistant rock
2
Q
What is the second stage of forming a waterfall?
A
Underline rock is eroded more quickly than hard resistant rock
3
Q
What is the third stage of forming a waterfall?
A
Second stage causes undercutting
4
Q
What is the fourth stage of forming a waterfall?
A
More resistant rock is left unsupported
5
Q
What is the fifth stage of forming a waterfall?
A
More resistant rock collapses and helps to form a deep plunge pool
6
Q
What is the sixth stage of forming a waterfall?
A
Process is repeated and waterfall retreats to form a gorge
7
Q
How many stages are there to forming waterfalls?
A
6
