3. Have you noticed that ice blocks are usually covered with jute sacks when they are sold? Explain the reason
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The jute is an insulating material and it helps ice not to melt so quickly. So, shopkeepers selling ice blocks usually cover them with jute sacks. Sometimes they use other insulating material such as saw dust, sack, newspaper, to cover an ice.
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Shopkeepers selling ice blocks usually cover them with jute sacks because materials like jute sacks sawdust and newspapers acts as insulators and cannot allow escape or entry of heat through them.
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