Which term describes this reaction? Upper C upper H subscript 3 upper B r (a q) plus upper O upper H superscript minus (a q) right arrow upper C upper H subscript 3 upper O upper H (a q) plus upper B r superscript minus (a q). addition condensation elimination substitution

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:

14,16 18 reacts with group