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Rockfalls without an obvious cause (like an earthquake or expanding ice) may be due to hot daily air temperatures expanding small cracks in cliff faces.
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By Scientific American4.2
599599 ratings
Rockfalls without an obvious cause (like an earthquake or expanding ice) may be due to hot daily air temperatures expanding small cracks in cliff faces.
Learn more about your ad choices. Visit megaphone.fm/adchoices

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