Explain how the Law of Conservation of Mass is applied in the balanced equation illustrated below. 2Na(s) + 2 H2O(l) to form 2 NaOH(aq) + 1 H2(g)
Where (s) is solid; (I) is liquid; (aq) is aqueous; and (g) is gas. Indicate
which are the reactants and the products. Write complete sentences.

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: