Find the mass of carbon present in 0.92 g of Ethanol,

0.92 × 1/46 × 2/1 × 12/1 =

0.02 × 2 × 12 =

0.04 × 12 =

0.48 gr carbon

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: