take a metal glass put some small rocks of different size and shapes in to it. keep shaking the glass for some time. remove the rocks from the glass and observe the changes like size and shape of the rocks. record your observation in table
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take a metal glass put some small rocks of different size and shapes in to it. keep shaking the glass for some time. remove the rocks from the glass and observe the changes like size and shape of the rocks. record your observation in table
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good question
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