A Devonian-aged limestone contains fossils of brachiopods and bryozoans. What do these fossils indicate about the environment during the Devonian period?

A) Arid desert
B) Coastal swamp
C) Delta
D) Shallow marine


Answer: D

Environmental & Atmospheric Sciences

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A) in its present day location. B) north of the equator. C) at the south pole. D) not part of Asia.

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An example of a type of limestone that precipitates from fresh water (as contrasted with precipitation from sea water) is:

a) Chert b) Opal c) Travertine d) Tuff e) Jasper

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Salinization is a common agricultural problem in what type of region? 

A. Windy B. Arid C. Tropical D. Cold E. Humid

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Which of the following exhibits "banding" in a hurricane?

A) rainfall intensity B) distributions of pressure C) distributions of wind speed D) none of these

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