On an upper-level chart the wind tends to blow: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
Question 2A surface low pressure center is generally associated with __________ on an upper level isobaric
chart.
a. a trough
b. a ridge
c. zonal flow
d. convergence