Which of the following statements are correct?
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Which of the following statements are correct?
i. land and sea breezes are natural convection currents.
ii. convection may occur in liquids or gasses but not in solids.
iii. the vacuum in a thermos flask prevents heat loss due to convection only.
i and ii only
i and iii only
i and iii only
i, ii, and iii
Correct answer is A
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