Why are metals good conductors of heat and electricity? a. anions rotate around the stationary electrons b. cations rotate around the stationary electrons c. free moving atoms in metals carry both heat and electric current d. free moving electrons in metals carry both heat and electric current e. free moving protons in metals carry both heat and electric current

The answer is D since its electrons and not protons or atoms that are free moving through the metal.

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:

the answer is d. 74.02