Freshwater - makes up less than 2% of all water., High atmospheric pressure - results in fine, dry weather as high pressure. reduces levels of evaporation, Plasma - the fourth state of matter where there is sufficient energy to separate electrons and nuclei., collection - precipitation falling to earth, flows under the force of gravity to gather in lakes and underground aquifers., Filtration - the process of removing solid materials from a liquid., Evaporation - is used as a method to collect salt from sea water, condensation - forms the basis of operation of desalination. plants where sea water is turned into fresh water., The reason ice floats in water - the hydrogen bonds in water molecules cause the molecules to push apart as it freezes, making it less dense,

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