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symbols-of-electric-current!1
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motion-n02!1
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electici-crcuit-and-electric-switch!5
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force-can-change-shape-of-an-object!2
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force-can-change-shape-of-an-object!1 Force can change the shape of an object
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electici-crcuit-and-electric-switch!4
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electici-crcuit-and-electric-switch!3
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- Approved
updated -
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electici-crcuit-and-electric-switch!2
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electici-crcuit-and-electric-switch!1
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soil-our-life!1
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playing-with-numbers!3
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separation-of-substances!1
