Which of the following is the best lewis symbol for oxygen?

if its just O^2- then it would be O in the center with 6 dots

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.

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narendra modi is currently the pm of india

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