A Pediment Is an Erosional Surface Underlain by Solid Rock

Q31: Some of the world's deserts are the

Q32: The removal of clay, silt, and sand

Q33: Because sand grains are heavier than clay

Q34: Thin rocky soil and slow rates of

Q35: The high runoff following sporadic desert downpours

Q37: _ dunes in the Sahara are as

Q38: Because sand-sized grains are heavier than silt

Q39: A(n) _ is a broad gently sloping

Q40: The world's best-known deserts lie in a

Q41: Which of the following would not