Foods with low moisture, like ghee or dried grains, last longer. Moist foods like bread or milk spoil faster because moisture allows microbes to grow quickly.
Class 5 EVS Textbook Our Wondrous World Chapter 3 The Mystery of Food question answer
Class 5 Environmental Studies Grade 5 Chapter 3 The Mystery of Food solutions
Some foods last for weeks because they have little or no moisture, making it hard for microbes to grow. Examples are ghee, pickles and dried grains. Others, like bread, milk and fresh vegetables, spoil within days as their moisture content and exposure to air create ideal conditions for microbes to multiply rapidly.
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