Using the data in this table, determine the age of the dike.
A. 1,000
B. 40,000,000
C. 500
D. 1,000,000,000
E. 500,000,000
Answer: B
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Which of the following statements describes the overall effect of clouds?
A. They have a net warming effect on climate. B. They have a net cooling effect on climate. C. They are the most important feature in determining climate. D. They have no net effect on climate.
The site on the figure below that would most likely form a rock with large crystals is
A) A.
B) B.
C) C.
D) D.
E) E.
As distance from the equator increases, the difference between winter and summer amounts of solar radiation increases
Indicate whether the statement is true or false.
Studies of paleomagnetism document:a
changes in the Earth's gravitational field. b. how the inner/outer core boundary has evolved. c. how the mineral magnetite has varied through time. d. how the Earth's magnetic poles have varied through time. e. none of these