Including pairs of enantiomers, how many different 2-ketopentoses are there?
A) 2
B) 4
C) 8
D) 16
B
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Which nation in the region has a deep split between Sunni and Shiite sects of Islam?
A) Turkey
B) Iraq
C) Egypt
D) Morocco
E) Iran
In the North Pacific (Northern Hemisphere), Gyre surface currents flow in a clockwise direction
Indicate whether the statement is true or false
Even-aged and uneven-aged management are used in
A) the lobster industry. B) silviculture. C) fishing industries. D) habitat restoration.
Alternative fuel vehicles
A) answer the demand for the service of a personal vehicle and reduced fossil fuel demand. B) are a new consumer line promoted by the Big Three after the bailout. C) have promoted removing trolley lines in cities. D) are produced in developing nations only. E) because of their low cost, production cannot meet existing demand.