In glacial deposits, a steep-sided mound of sand and gravel deposited by a melting ice sheet is called:
a. Kame
b. Esker
c. Kettle hole
d. Hummocky ridge
Answer: a. Kame
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This wind-blown dust deposit (loess) from Tibet
A) was deposited by a huge flood of seawater that covered the land at the time of the dinosaurs.
B) began as clay and silt that were produced by grinding of rocks along ice-age glaciers.
C) forms a worldwide layer associated with a well-known extinction of dinosaurs.
D) All of these are correct.
The disruption of sediment by feeding and burrowing organisms is called ________.
A. tilling B. respiration C. sediment exchange D. bioturbation
Anticyclones characteristically have winds blowing toward their center
Indicate whether the statement is true or false
One major reason why lakes and marshes are common in recently glaciated areas is that _____
a. those areas have very humid climates b. a huge amount of water was released by the melting of the ice c. the glaciers carved dendritic stream systems d. when ice disappeared, sea level dropped, leaving standing water on land e. preexisting drainages were disrupted by glacial erosion and deposition