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प्रश्न
Why is the outer coat of the penguins of Antarctica black?
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उत्तर
Black is a good absorber or trapper of heat. So, in cold regions like Antarctica, the black outer coating of penguins helps them to absorb as much heat from the surroundings and keep their bodies warm.
संबंधित प्रश्न
No medium is required for transfer of heat by the process of ______.
Look at Figure. Mark where the heat is being transferred by conduction, by convection and by radiation.

Write true or false for a given statement.
Liquids are heated by conduction and radiation.
Fill in the blank
Heat transfer in solids is by ______
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Heat transfer in liquids and gases is by ________.
Select the correct alternative
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The handles of cooking utensils are made of ______.
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