TEE

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Across
  1. 2. It is a process of purifying drinking water with the help of chlorine tablets.
  2. 4. The substance in which the solute dissolves.
  3. 5. The practice of keeping yourself and your surroundings clean.
  4. 6. Any kind of waste that is thrown away.
Down
  1. 1. A process by which green plants prepare their own food.
  2. 3. This energy is obtained from the rays of the sun.