How to identify whether is it solid/liquid/gas/aqeous?​

if its a solid its hard if its a liquid its like water its not hard and its is wet if its a gas its like the air you breath you can see it but its there and sometimes you can smell it a aqueous is what contains a liquid or other wise known as a medium

Explanation: gas is like the air you breath liquid is like water its wet solid is something hard like a brick aqueous is a medium or also known as something that holds or contains a liquid

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: