1. Osteoporosis will be caused by pollutant
2. The chemical isotope present in tobacco smoke is
3. Incineration means
4. Blue baby syndrome is caused because of the pollution of
5. Which of the following is a secondary pollutant of air
6. Acid rain is caused by
7. Term nuclear winter is associated with
8. The chemical which cause damage to WBC, bone marrow, spleen, lymph & lungs
9. The pollutants emitted by jet aerolanes in outer atmosphere as fluorocarbons are called
10. Lead inhalation causes
11. Mercury pollution causes a disease called
12. Extremely fine particles of pollutants are separated by
13. Biological oxygen demand measures
14. Land areas spoiled by mining is called
15. Practice of growing agricultural crops between rows of planted tree is
16. In exhaustible resources among the following is
17. When biosphere turns to human dominated environment, it is
18. Primary succession on rock starts with
19. A community that starts the process of succession in a habitat is called
20. The series of changes occurring a barren area is