Q42. Write a note on wind flow pattern.
Q43. How a thunderstorm becomes a cyclone?
Q44. List some action on the part of people in case of cyclone.
Q45. What precautions would you take, if you are staying in a cyclone hit area?
Q46. What precautions should we take if a storm is accompanied by lightning?
Q47. Write an experiment to show that air exerts pressure.