What is the minimum number of oxygen atoms present in a hemiacetal?
A) 0
B) 1
C) 2
D) 3
C
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In what ways can water be temporarily stored, from a few years to a few thousand years, on the land
areas before returning to the oceans? What will be an ideal response?
Urban areas of East Africa will continue to be target destinations for employment opportunities, whether they exist or not, and rural-to-urban shift will drive the populations of cities such as Addis Ababa to expand drastically.
a. true b. false
If the Earth were twice as massive,
A. its pull on the Sun would double. B. its pull on the Moon would double. C. both of these D. none of the above
The ____ orogeny consisted of a series of individual mountain-building events that occurred in different regions at different times
A)Nevadan B)Franciscan C)Cordilleran D)Antler E)Laramide