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

Environmental & Atmospheric Sciences

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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.

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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

Environmental & Atmospheric Sciences

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.

Environmental & Atmospheric Sciences

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.

Environmental & Atmospheric Sciences