What is the molality of a solution of naphthalene dissolved in chloroform if the solution has a boiling point of 63.2 °C?

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:

im not exactly sure but i think its b!

c. orbital shape i hope this is correct