Which of the following functional groups does not contain a carbonyl group?
A) ester
B) alcohol
C) aldehyde
D) ketone
B
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What are the factors that can affect the economics of mining?
a. Value of the mineral/metal b. World demand c. Cost to extract the pure metal d. Distribution among counties e. Both a, b, and c
What is the fundamental cause of this change?
What will be an ideal response?
Counterurbanization introduces a distinct urban landscape. Describe the conditions that lead to counterurbanization and its characteristics. What population groups are most likely involved in this movement?
What will be an ideal response?
What did the Cassini spacecraft and its Huygens probe discover on the surface of Titan, the largest of Saturn's moons?
A. Networks of drainages were apparently carved by liquids. B. The surface was nearly completely covered by impact craters. C. There was a large impact crater that nearly blasted the moon apart. D. None of these choices are correct.