When did fair trade concerns begin to influence the coffee economy?
A) 1960s
B) 1970s
C) 1980s
D) 1990s
E) 2000s
Answer: D
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Discuss the pros and cons of harnessing wind energy using wind turbines, and whether you think this is a viable solution for meeting the energy demands of people
Is the rain generally moving toward Raleigh or away?
The question is based on Figures 21-1, 21-2, 21-3, and 21-4, radar images of Raleigh, North Carolina, on November 7, 2006. The Doppler radar site in Raleigh is in the center of the image; north is to the top of each radar image. Full-color versions of these figures may be viewed on the Hess Physical Geography Laboratory Manual, 12th edition, website at www .MasteringGeography. com, then select Exercise 21, or by scanning the QR (Quick Response) code for this exercise. What will be an ideal response?
Which of the following correctly describes the composition of FAD?
A) adenine, flavin, a ribose and a ribitol linked by a diphosphate B) adenine, flavin, and two ribose molecules linked by a diphosphate C) adenine, flavin, and two ribose molecules linked by a triphosphate D) adenine, flavin, and two ribitol molecules linked by a diphosphate
Radar gathers information about precipitation in clouds by measuring the:a
energy emitted by the precipitation particles. b. absorption characteristics of falling precipitation. c. amount of energy reflected back to a transmitter. d. amount of sunlight scattered off the precipitation. e. amount of solar energy passing through the cloud.