Exercises

Question 20.1

How are ocean waves formed?

Question 20.2

How does wave refraction concentrate erosion at headlands?

Question 20.3

What is a storm surge?

Question 20.4

How has human interference affected some beaches?

Question 20.5

Along what kinds of continental margins do we find broad continental shelves?

Question 20.6

Where and how is the deep seafloor created by volcanism?

Question 20.7

What plate tectonic process is responsible for deep-sea trenches?

Question 20.8

Where do turbidity currents form?

Question 20.9

What are pelagic sediments?

Question 20.10

How does the Moon interact with Earth to create tidal currents?