What theory states that the particles of a gas are in constant random motion and that they constantly collide with each other and the walls of their container? A. Kinetic Molecular Theory B. Particle Expansion Theory C. Gaseous Expansion Theory D. None of these

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:

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