John James Audubon described a single flock of ____ of perhaps a billion birds, which took three days to travel past him and darkened the skies.
A. Carolina parakeets
B. starlings
C. sparrows
D. passenger pigeons
E. California condors
Answer: D
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Indicate whether the statement is true or false.
Which of the following would increase the U.S. demand for foreign oil?
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Answer the following statement true (T) or false (F)