Multiple choice

How do cliffs collapse by the seaside?

  1. The cliff is eroded by land slides

  2. The cliff randomly colapse

  3. The cliff is eroded by waves

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Coastal cliffs collapse primarily because waves erode the base of the cliff, creating a wave-cut notch. Over time, the lack of support causes the overhanging cliff to collapse under gravity.