According to Table 1, extreme temperature changes can lead to:
F. Increased acidity in groundwater.
G. The creation of carbonic acid.
H. The development of salt crystals.
J. Cracked and split rock.

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Mechanism Animals and plants Temperature variation Table 1 Crystallization Water evaporates from rock, which leads to the development of salt crystals. The crystals grow, eventually breaking apart the rock. Exfoliation Physical weathering Results Animals burrow into the earth, moving rock fragments and sediment. Plant roots have the same effect. Minerals in rocks expand and contract with temperature changes. Repeated expansion and contraction cracks and splits the rocks. Exfoliation occurs as slabs of cracked rock slip off other rock, which leads to further erosion.