Vooki

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Across
  1. 3. Increase in the temperature is due to
  2. 5. Not harmful to the environment
  3. 6. Clear all the infections
  4. 7. No harmful chemicals
Down
  1. 1. Suitable for pets
  2. 2. Natural products
  3. 4. Region of Earth's stratosphere that absorbs most of the Sun's ultraviolet