How many chiral carbons are present in the open-chain form of an aldopentose?
A) 2
B) 3
C) 4
D) 5
B
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The principle of ________________ states that an igneous intrusion or a fault must be younger
than the rock it displaces. Fill in the blank(s) with the appropriate word(s).
A single brick and a double brick have equal accelerations when falling in a vacuum because
A. no air resistance acts on them. B. the force of gravity on both is the same. C. they have unequal masses. D. none of the above
Describe the formation of a subsidence inversion and explain how this influences air pollution.
What will be an ideal response?
An oxygen sag occurs most often
A. After the water recovers from the pollution source B. Immediately downstream from a pollution source C. In estuaries closest to a pollution source D. Immediately upstream from a pollution source E. At any of these places