Nitrogen can exist as a solid, a liquid, or a gas. Which of the following lists the phases of nitrogen in order of increasing density? gas, liquid, solid gas, solid, liquid liquid, gas, solid solid, liquid, gas

Nitrogen is a gas.

gas, liquid, solid

Explanation:

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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 b & c i believe : )