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Lazzaro Spallanzani`s Experiment. Spontaneous Generation. Heated But Sealed Flasks Remained Clear, Without Any Signs Of Spontaneous Growth, Unless The Flasks Were Subsequently Opened To The Air. This Suggested That Microbes Were Introduced Into These Flasks From The Air

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Lazzaro Spallanzani`s experiment. Spontaneous generation. Heated but sealed flasks remained clear, without any signs of spontaneous growth, unless the flasks were subsequently opened to the air. This suggested that microbes were introduced into these flasks from the air

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