Which of the following locations is the most practical for building a wind turbine?
A. a narrow valley
B. a region of moderate, steady winds
C. a region of strong, gusty winds
D. the downwind side of a mountain
Answer: B
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Which of the following processes removes CO2 from the atmosphere?
A. photosynthesis B. soil decay C. deforestation D. volcanic activity
What is the name of the simplest aromatic carboxylic acid?
A) benzenoic acid B) benzoic acid C) benzylic acid D) toluic acid
Which of the following is catalyzed by arginase?
A) the conversion of D-arginine to urea and D-ornithine B) the conversion of L-arginine to urea and L-ornithine C) the conversion of L-arginine to urea and D-arginine D) the conversion of both the D and L forms of arginine to urea and the D and L forms of ornithine
Which phase change reaction requires the most energy?
A. Cooling B. Vaporization C. Freezing D. Melting E. Each requires the same amount of energy.