Untitled

123456789101112
Across
  1. 4. What is the main goal of selective waste collection?
  2. 6. Why are people in Romania motivated to recycle cans, bottles or used plastic products?
  3. 7. What should be the average class size for sufficient clean air?
  4. 8. What is the Arduino kit used in the project?
  5. 9. Write one of the colors of the recycling bins.
  6. 10. Which energy source is commonly used in sustainable homes?
  7. 12. What harms stink bugs the most?
Down
  1. 1. What should we do to reduce the amount of CO2 in the environment in crowded classrooms?
  2. 2. Why is insulation important in a sustainable house?
  3. 3. What happens to the animals affected by deforestation?
  4. 5. Whatare the factor that affect the Stink Bug?
  5. 11. What is the main goal of a sustainable house?