Can you guys please give a brief explanation about everything on humidity? please

Humidity is when there is a lot of water in the air

Explanation:

Humidity is the amount of water vapour present in the air , It can also be said , it is the amount moisture. The moisture means water vapour. As the humidity increases , the amount of water vapour also increases

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:

i need mutiple choices