The molecule hydrogen fluoride (hf) contains a polar bond h – f, where fluorine is more electronegative than hydrogen. which is the appropriate representation of the h – f bond?

the answer is definitely c.

indicate valleys, hills, steepness and gentleness of slopes.

explanation:

contour lines on a map indicate elevation, or depth. numeric notations on contour lines refer to the level of elevation, or height about sea level.