Discussion
One of the following pairs of features does not include the products of weathering :
Answer: B
The pair that does not include weathering products is ventifacts-erratics (printed 'Vertifacts').
Ventifacts are stones faceted and polished by wind-blown sand, a product of wind abrasion, an erosional process. Erratics are boulders carried by glaciers and left far from their source, a product of glacial transport. Neither is produced by weathering in place.
The other pairs are weathering products: tafoni and alveoli are cavernous hollows produced by salt and granular weathering, saprolite is rock chemically rotted in place, and laterite is the iron- and aluminium-rich residue of intense tropical weathering.
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