Which of the following is the cause of muscle cramps associated with strenuous exercise?
A) acetate
B) citrate
C) lactate
D) pyruvate
C
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A fold in which rock layers warp up in the shape of an A is a(n)
A) anticline. B) syncline. C) monocline.
About half the world's forests are protected from cutting
Indicate whether the statement is true or false.
Most plutons form:a
well within plates. b. at plate boundaries. c. without regard to plate boundaries. d. at plate boundaries or without regard to plate boundaries. e. at, well within, or without regard to plate boundaries.
Which of the following factors will not play a role in the way rivers flow?
A. The underlying geologic structure of faults and or folds. B. The speed with which the water is flowing. C. The resistance to erosion of the materials that make up the channel. D. Dams along a stream channel. E. All of these choices are correct.