A very flat surface underlain by a dry lake bed of hard, mud-cracked clay is called a
A. plateau
B. ventifact
C. playa
D. none of the preceding
Answer: C
Environmental & Atmospheric Sciences
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A glacier begins to flow when the ice reaches a critical thickness of about:a
100 meters. b. 40 meters. c. 20 meters. d. 10 meters. e. 5 meters
Environmental & Atmospheric Sciences
Hail is usually associated with what cloud?
a. stratus b. cumulus c. stratocumulus d. altocumulus e. cumulonimbus
Environmental & Atmospheric Sciences
Spheroidal weathering is most common in:
a. sandstone b. granite c. shale d. basalt
Environmental & Atmospheric Sciences
Why is it so difficult for wind to pick up clay-sized particles?
A) They are too large for the wind to carry. B) The wind has a near-zero velocity closest to the surface and can't pick them up. C) The clay particles are often buried under larger sediments. D) There is too much clay to carry.
Environmental & Atmospheric Sciences