How many structural isomers are shown here?
A. one
B. two
C. three
D. four
Answer: B
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Which of the following is accurate based on the graphs represented?
a. Lions and hyenas have a great deal of niche overlap. b. Hyenas and bat eared foxes have no niche overlap. c. Lions frequently steal food from bat eared foxes. d. Lions are more successful hunters than are hyenas. e. Two of the above are true.
Soil that forms from the weathering of volcanic lava is not very fertile.
Answer the following statement true (T) or false (F)
Which was the most recent innovation?
A) dynamite B) cotton gin C) railroad D) steam engine E) television
In which climate does a shift in wind direction serve as the most important controlling factor?
a. tropical monsoon b. tropical steppe c. tropical savanna d. tropical rainforest