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How Indian monsoon rains are caused

Presenters Kate Humble and young physicist Helen Czerski go to India to explain what causes monsoons. The difference between the way solids and liquids respond to the Sun's heat is explained. Helen experiences a monsoon hail storm in Kerala. Using graphics and real footage she shows that it is the differences in heating between land and sea that is critical. They are a vital part of India’s climate because 80% of India’s rain falls during monsoons.

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8 minutes