The contour lines drawn on a 500 mb chart are lines of constant

a. wind speed.
b. pressure.
c. density.
d. wind direction.
e. temperature.


ANSWER: b

Environmental & Atmospheric Sciences

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Which lab tool would be most useful to a palynologist?

a. microscope b. telescope c. scale d. Geiger counter e. oscilloscope

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What are some of the useful products humans obtain from volcanoes? What will be an ideal response?

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Which of the following is NOT happening in the area shown by this figure?

A. eruptions onto the seafloor B. release of water by a descending plate C. faulting D. plates are moving apart E. melting of rising mantle

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