The large cross beds in these rocks indicate that the sediment was deposited
A. deep in the ocean.
B. by a debris flow.
C. in a lake with a gently sloping bottom.
D. by the wind or a water current.
E. All of these choices are correct.
Answer: D
Environmental & Atmospheric Sciences
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Oceans and land surface are distributed evenly on the Earth
Indicate whether the statement is true or false
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Carbonic acid forms from a combination of ____
A)water and bicarbonate ion B)water and carbon dioxide C)carbon dioxide and hydrogen ion D)calcium ion and bicarbonate ion
Environmental & Atmospheric Sciences
What are depressions in glacial deposits made by the melting of blocks of underlying ice?
a. erratics b. eskers c. arêtes d. kettles
Environmental & Atmospheric Sciences
A zone in which the ocean's salinity changes rapidly with increasing depth is called ____
A) halocline B) thermocline C) pycnocline D) metacline
Environmental & Atmospheric Sciences