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1. What is imprinting in independent form called?

2. Which of the following slows down or stops biological activity?

3. Which of the following is called lime area?

4. What is produced by bacterial action?

5. Bacteria and soil organisms obtain gaseous nitrogen from the air, change its chemical form and use it by plants what is it called?

6. What is rhizobium?

7. Causative forms of the following mass transitive actives

8. What are the three main types of weathering processes?

9. What is included in uncovering?

10. What is the meaning of the word uncovering?

11. Where is the force of gravity acting?

12. What is a mountain range?

13. Which of the following is a sequential process?

14. Which of the following factors affect the operational process?

15. Debris discharge can be included under which category?

16. Which of the following is responsible for variation in the outer surface of the earth?

17. What are external forces and internal forces?

18. Most of the energy inside the earth is produced by ____.

19. What causes weathering processes to become chronic?