Sep crossword

123456
Across
  1. 2. In which part of atmosphere, ozone layer is present?
  2. 4. Organization which established International literacy day
  3. 6. Theme of International Literacy Day 2022
Down
  1. 1. Device which is used to measure ozone in the stratosphere from ground.
  2. 3. Ozone depleting gas
  3. 5. Birthplace of bamboo