How many different triglycerides can be formed when glycerol combines with one molecule of oleic acid, one molecule of palmitic and one molecule of stearic acid?
A) 1
B) 2
C) 3
D) 4
D
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Vertisols, Aridisols, Oxisols, and Ultisols all have in common that they
A) lack a well-developed A horizon. B) resist formation into polypedons. C) form in warm climates. D) are deeply weathered soils.
If a sediment is white in color, it is likely to be:
a. undergoing oxidation. b. terrigenous in origin. c. biological in origin. d. a nodular sediment
In the case of radiocarbon dating of organic material, the half life of 14C is
A) 1,255 years. B) 5,730 years. C) 15,397 years. D) 75,000 years. E) 113,257 years.
Which of the following describes why hydrothermal vein and disseminated deposits are important to society?
A. are the primary source of water-based minerals such as gypsum B. easy to mine because they are found in aquifer materials C. source of valuable metals such as copper, lead, and gold D. sometimes contain diamonds E. are the primary source of pure sulfur