On an upper-level chart the wind tends to be

a. at right angles to the isobars or contour lines.
b. parallel to the isobars or contours.
c. at an angle between 10 and 30 to the contours and towards lower pressure.
d. at constant speed.
e. at an angle between 10 and 30 to the contours and towards higher pressure.


ANSWER: b

Environmental & Atmospheric Sciences

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