What is the mole ratio between copper (ll) hydrogendioxide and copper (ll) oxide

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:

b) nuclear ive learned that in a pedtrodic table

може ли да зареждате повече информация, моля