Which of the following parameters represents the angle measured from the horizon to the altitude of the observer in a 3-D view?
A. viewing distance
B. viewing angle
C. viewing azimuth
D. none of these is correct
Answer: B
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Which of the following is true of the the law of conservation of energy?
A) Energy is not created nor destroyed except with the addition of oxygen B) Energy is not created or destroyed under ordinary conditions, but it may be changed from one form to another C) Matter may be changed from one form to another under ordinary conditions but cannot be created or destroyed, except in nuclear reactions D) Matter can only be created with the addition of oxygen E) None of the answer choices are correct.
A Roche Moutonnée is a symmetric bedrock hill shaped by the flow of glacier ice.
a. true b. false
Which of the following is true?
a. Young soils are characterized by well-developed horizons. b. Soils become mature when they are ten thousand years old. c. The older the soil, the more parent material influences soil characteristics. d. Some of the world's best soils are formed from volcanic and transported parent material.
Krypton-85 has a half-life of 10. years. Approximately what percentage of Kr-85 produced from the Chernobyl accident in 1986 still remains radioactive in 2010?
A) 25% B) 12% C) 6% D) 3%