International English Olympiad Forum By SOF Olympiad Trainer - Page 118
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Agnish Chakraborty from The Heritage School, Kolkata
Subject :IEO    Class : Class 4

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Subhang Deep Sahu from Narayana CO Kadugodi Bangalore, Bangalore
Subject :IEO    Class : Class 5

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RISHIT DAS from PODAR INTERNATIONAL SCHOOL, MUMBAI
Subject :IEO    Class : Class 4

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Aakriti from Ffff, Lucknow
Subject :IEO    Class : Class 1

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Satyaki Mukherjee from Atomic Energy Central School 4, Mumbai
Subject :IEO    Class : Class 3

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Subhang Deep Sahu from Narayana CO Kadugodi Bangalore, Bangalore
Subject :IEO    Class : Class 5

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Arav Gupta from Delhi Public School Gurgaon, Gurgaon
Subject :IEO    Class : Class 6

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Arav Gupta from Delhi Public School Gurgaon, Gurgaon
Subject :IEO    Class : Class 6

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Harshil Jain from DPS, Bangalore
Subject :IEO    Class : Class 5

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Ishaan Pal from Christ Academy, Bangalore
Subject :IEO    Class : Class 6

READ THE PASSAGE AND ANSWER THE QUESTIONS THAT FOLLOW.
Of course, we are all quite accustomed to thunderstorms. These are usually local storms. But there are certain kinds of storms that may cover thousands of square miles. One such type is called a cyclonic storm or cyclone. In a cyclone, the winds blow towards the centre of an area of very low pressure. A curious thing about them
rising air. This starts a whirling effect that is narrow and very violent. When this happens, centrifugal force throws the air away from the centre. And this leaves a core of low pressure at the centre.
This low pressure core acts like a powerful vacuum on everything it passes. This is one of the destructive things about the tornado. It can actually suck the walls of a house outwards in such a way that the house will collapse. The other destructive thing about a tornado is the high winds that blow around the edges of a whirl. These winds can reach 300 miles per hour and nothing is safe against them.
is that the winds blow in a spiral fashion. In the Northern Hemisphere, such storms turn anti-clockwise, in the Southern Hemisphere they turn clockwise!
A tornado is nothing but a special kind of a cyclone. A tornado arises when the conditions that cause ordinary thunderstorms are unusually violent. There is an updraft of air. There are winds blowing in opposite directions around this
In Northern Hemisphere, storms turn_______. and in Southern Hemisphere, they turn ______.

Aclockwise, anti-clockwise
Banti-clockwise, clockwise
Csouth, north
Dclockwise, clockwise

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