if a sealed carton of yoghurt is left for a long time the lid budges upwards suggest why this happens
please explain throughly
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Explanation:If a sealed carton of yoghurt is left for a long time, the lid bulges upwards. ... Yogurt contains a very large amount of lactic acid which was produced when the lactose (milk sugar) was acted upon by the lactobacillus and other pro-biotics. they are aerobic (like oxygen).
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