Environment Crossword

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Across
  1. 3. To use something again instead of throwing it away.
  2. 5. The gas that trees give off and humans need to breathe.
  3. 6. The process where CO2 is removed and permanently stored.
  4. 8. __________gases contributing to global warming
Down
  1. 1. ________Fuel is used in vehicles like petrol and diesel.
  2. 2. What are the core principles of waste management 3R Reduce, Reuse,_____________
  3. 4. __________Gas responsible for global warming.
  4. 5. The atmospheric layer that protects us from harmful sun rays.
  5. 7. Solar, wind, and hydropower are examples of these.
  6. 9. ____________is the main source of energy for Earth.