Microbes need moisture, air and the right temperature to grow. If any one of these is removed, their growth can be stopped or slowed, which is the basic idea behind many food preservation methods. Class 5 Environmental Studies Grade 5 Chapter ...
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Tomatoes can be preserved by sun-drying, making tomato pickle or storing them as puree in airtight jars. Refrigeration can also slow spoilage and keep them fresh for several days. Class 5 EVS Textbook Our Wondrous World Chapter 3 The Mystery of ...