Why do deserts lack thick deposits of soil?
A) Low temperatures and high soil moisture contents accelerate chemical weathering.
B) Warm temperatures and high soil moisture contents accelerate chemical weathering.
C) Warm temperatures and low soil moisture contents allow some mechanical weathering.
D) Temperature has no effect on rock weathering.
Q. 2 - Which desert location in the United States consists of alternating mountain ranges and flat-bottomed valleys as a result of fault block mountains?
A) Rocky Mountains
B) Ohio River Valley
C) Marathon Uplift
D) Basin and Range Province
Q. 3 - In a desert environment, in which area would surface water infiltrate into the local groundwater system most effectively?
A) Playa lakes with thick mud bottoms
B) Streams flowing across an alluvial fan
C) Streams flowing across bare bedrock
D) Steep-walled mountain streams
Q. 4 - What is the definition of an ephemeral stream?
A) A distributary channel on a stream delta
B) A stream that meanders back and forth across a valley
C) A stream that has interweaving channels and is choked with sediment
D) An intermittent stream that only has water after specific episodes of rain
Q. 5 - ________ weathering is most common in a desert environment.
A) Mechanical
B) Erosional
C) Chemical
D) Dissolution
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