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Letter: Letters: Rising cold

Published 23 April 1994

From J. M. ALLEN

Q: Heat is supposed to rise. Why, then, is it colder on top of a mountain
than in the valley below?

J. M. Allen Burley, Hampshire

Issue no. 1922 published 23 April 1994

Â鶹´«Ã½ issue 1922 cover

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