1.Bio-Diversity is a combination of

2.. ............ has houses well designed

3..……. Can be seen in the first picture

4. The second picture is ………. to look at

5. We could find,,,,,,,,,, surroundings in the second picture.

6. ……. are responsible for causing a threat to nature

7. Pollution is the result of

8. Air contamination leads to ...

9. .......are the main source of soil pollution

10. Protecting the environment is everybody's ....

11. We want basic needs like food and cloth. Write the synonym of "needs" *

12. Most of the people live in rural areas. Write the opposite in meaning of "rural"

13. People were asking for cleanly drinking water. Write the correct form of "cleanly"

14. The forested mountains were the source of water ……. the source of rain. Write the suitable word in the blank *

15. Effect of soil .............. is dangerous.