Metallic substances will conduct electricity in A) the liquid phase, only B) neither the solid nor the liquid phase C) the solid phase, only D) both the solid and the liquid phase

D) both the solid and the liquid phase

Explanation:

Metallic substances will conduct electricity in both the solid and liquid phase. Metals are generally conductors of heat and electricity.

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: