Frost shatters rock For example, when water collects in rock crevices, it expands with tremendous force when it freezes.
(water; collects; L:in rock crevices) (it; freezes; ) (it; expands; T:when it freezes; T:when water collects in rock crevices) Context(it expands,List([71, 81))):(Frost; shatters; rock)
it expands,List([71, 81))
water it it Frost
collects freezes expands shatters
L:in rock crevices
T:when it freezes T:when water collects in rock crevices
rock