Using this nomogram, what is the magnitude of an earthquake that is 500 km from a seismic station and has an amplitude of 0.2 mm?

A. 4.0
B. 10.2
C. 2.0
D. 6.0
E. 7.0


Answer: A

Environmental & Atmospheric Sciences

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Which of the following is true of a solid which is hygroscopic?

A) It will gain weight when exposed to a damp environment. B) It may change its color upon being exposed to a damp environment. C) both a and b D) neither a nor b

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An increasing practice among Chinese families is what is referred to as birth tourism, where a Chinese family comes to the United States, presumably for vacation and gives birth while in America

Indicate whether the statement is true or false

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Who was able to prove that there was not an actual continent in the Arctic?

a. John Murray b. Fridtjof Nansen c. Robert E. Peary d. Charles Wyville Thomson

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