Which bond is more polar? and what is the direction of the polarity in each?
1. cl-ch3 or cl-cl
2. h-ch3 of h-cl
3. ho-ch3 or (ch3)3si-ch3

in cartography, a contour line (often just called a "contour") joins points of equal elevation (height) above a given level, such as mean sea level. a contour map is a map illustrated with contour lines, for example a topographic map, which thus shows valleys and hills, and the steepness or gentleness of slopes.

explanation: