It appears that, as the number of sunspots increases, the sun's total energy output ____

A) increases slightly
B) decreases slightly
C) begins to alternately increase and decrease above average values
D) does not change


A

Environmental & Atmospheric Sciences

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Real-world extreme tidally driven currents in a tidal channel have speeds in excess of ________.

A. 0.5 m/s B. 3 m/s C. 1 m/s D. 5 m/s E. None of these

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Satellites can measure the height of the sea surface from 835 miles above Earth

a. True b. False

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How did climatic changes influence the evolution of hominids from anthropoids? What will be an ideal response?

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