Q34. How earthquakes are measured?


Q35. How a delta is formed?


Q36. Sea caves are turned into stacks. Give reason.


Q37. Explain the work of ice.


Q38. Why do buildings collapse due to earthquakes?


Q39. Write a short note on earthquake  preparedness.


Q40. Write a short note on work of wind.


Q41. Give an account of the work of sea waves.


Q42. Explain the work of a river.



Last modified: Tuesday, 15 January 2019, 10:47 PM