Heat rising from the radiator turns the paper spiral. (Urdu)

Heat rising from the radiator turns the paper spiral. (Urdu)
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Heat rising from the radiator turns the paper spiral. (Urud)

Heat rising from the radiator turns the paper spiral. (Urdu)


Heat rising from the radiator turns the paper spiral. (Urdu)

Warm air rises, and when it rises it becomes cooler. That information is key to understanding a lot of meteorology (science of weather).

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