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Across 1. an underground water supply 5. an element that has been changed to a gas and mixed with air 8. the process by which a gas or a vapor, such as steam, cools and is reduced to a liquid form 9. a device for using the sun's energy to purify water by a means of evaporation and condensation

Down 2. the process in which moisture is heated and turns to a gas (vapor) 3. an instrument that measures the salt content of liquids 4. the removal or loss of water or mositure, especially from the body 6. a scientist who specializes in matter and energy 7. the smallest physical part of something, to samll to be seen without special equipment such as a microscope