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Answer:
The dough when left in the open after few days it started emitting a foul smell because due to the action of bacteria and fungi.
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Answer:
Explanation:You must have observed (i) a white cottony growth on leather articles in humid weather (ii) mushrooms growing rotting wood and (iii) greenish-blue patches on rotting fruits. A cottony growth, developing into coloured patches, is a common occurrence on stale bread. These on organisms belong the saprotrohic mode of nutrition. to the group of fungi and bacteria, and they exhibit the saprotrophic mode of nutrition