Water

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Across
  1. 3. The process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water.
  2. 6. A polluting or poisonous substance that makes something impure.
  3. 8. The process of removing salt from seawater.
  4. 10. The strength and vitality required for sustained physical or mental activity.
Down
  1. 1. A person who purchases goods and services for personal use.
  2. 2. A white crystalline substance.
  3. 4. An animal or person that eats a variety of food of both plant and animal origin.
  4. 5. An animal that feeds on other animals.
  5. 7. An organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material.
  6. 9. A person, company, or country that makes, grows, or supplies goods or commodities for sale.