As you know, water evaporates in heat, and tropical places are usually very hot! Tropical implies "ocean" so, when an ocean evaporates it leaves a sandy ocean floor, which is a desert, but there are lake sized "puddles" of salt water left over, which is why there is a big salt water lake in the middle of Utah.
Being there for there child no matter what
Clustering is a type of prewriting that allows you to explore many ideas as soon as they occur to you. Like brainstorming or free associating, clustering allows you to begin without clear ideas.