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4 answers

Like Gabe said, thermal expansion and contraction of materials. Also, there are certain biological processes which can speed erosion. Roots growing into small cracks in a rock, and enlarging them, etc.

2006-12-11 02:08:11 · answer #1 · answered by Anonymous · 0 0

How about erosion of personal standards!

2006-12-11 09:11:48 · answer #2 · answered by Stan c 1 · 0 0

extremes of temperature- will cause rocks to breakdown due to cracking.
God bless,
gabe

2006-12-11 09:42:44 · answer #3 · answered by gabegm1 4 · 1 0

MAN

2006-12-11 09:09:55 · answer #4 · answered by MommaRoxie 2 · 0 0

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