The coarse sediment left behind in a desert after wind erosion removes the finer sediment is called:
a. ventifact
b. lag deposit
c. desert faceted rock
d. desert varnish
Answer: b. lag deposit
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Finely laminated, alternating light and dark layers of sediment deposited in a glacial lake are known as
glacial ____________________. Fill in the blank(s) with the appropriate word(s).
Which of the following events can cause saltwater intrusion?
a. Excessive withdrawal of groundwater in coastal areas b. The decline of sea level c. Headward erosion of streams d. Dissolution rocks by acid groundwater
In order to be a Cw climate, the precipitation:
A) must have a wintertime maximum. B) cannot exceed 6 cm in any month. C) must be 10 times greater in a summer month than it is in the driest winter month. D) must exceed 10 cm a month throughout the year.