When a moist bread is kept exposed in air, it becomes mouldy and black because

Q. When a moist bread is kept exposed in air, it becomes mouldy and black because

A.            Spores are present in the water

B.            Spores are present in the bread

C.            Spores are present in the air

D.            The bread decomposes

Answer: Spores are present in the air

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