Desert areas
A) always contain sand dunes.
B) are typically not eroded by water.
C) typically contain very little desert pavement.
D) are eroded by both wind and water.
Question 2
Waves
A) are usually formed by the effect of tides.
B) travel with equal energy in all directions from the point of origin.
C) have speeds that are proportional to wavelength.
D) change more in deep water than in shallow water.