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Letter A is: transpiration. Letter B is: evaporation. Letter C is: precipitation. Letter D is: run off. Letter E is: accumulation. Letter F is: condensation. A water molecule looks like _____: mickey mouse. What is the chemical formula for water: H2O. How many hydrogen atoms are in one molecule of water: 2. Which letter represents hydrogen: A. Which letter represents oxygen: B. Which letter represents the negative end: C. Which letter represents the positive end: D. Because water has a positive and a negative end, and is attracted to other molecules it is called a ______ molecule: . The property where water molecules are attracted to other water molecules: cohesion. The property where water can dissolve almost all substances on Earth: universal solvent. The property where water can pull itself up tubes or through spaces in paper or fabrics: capillary action. Why can some insects walk on water: The insect is too light to break the surface tension.. How does capillary action happen: ALL OF THESE REASONS