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प्रश्न
Write true or false for a given statement.
Land and sea breezes are convection currents of cold and warm air.
विकल्प
True
False
MCQ
सत्य या असत्य
उत्तर
True.
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संबंधित प्रश्न
Write true or false for a given statement.
Solids expand the least and gases expand the most on being heated.
Fill in the blank
Liquids expand _______ than the solids.
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Still air is an __________ of heat.
What do you understand by thermal expansion of a substance ?
Why do telephone wires sag in summer ?
One end of a steel girder in a bridge is not fixed, but is kept on roliers. Give the reason.
Explain why we wear woolen clothes in winter.
Why are quilts filled with fluffy cotton?
During day time, air blows from______ to______
Match the following
| 1. | Solid to liquid | a. | Condensation |
| 2. | Liquid to gas | b. | Deposition |
| 3. | Gas to solid | c. | Melting |
| 4. | Gas to liquid | d. | Vaporization |
