Explain the reason that maps must change over time

Explanation:

Because the place on the map can be changed to another shape by natural effects like faulting,folding , volcanism

Maps must change over time as the geographical structures change from time o time. The roads and highways also change often due to the development activities .

yes, water is wet, just as it makes other things wet, it is wet itself, kinda like ice, when ice is in water, the ice makes water cold, and ice is cold, therefore with that example, water is wet