________ is(are) the smallest-sized pieces created by frost wedging.
A) Large boulders
B) Sand
C) Dust
D) Silt
E) Small rocks (e.g. 5 cm (2 inches) across)
Question 2
The depth of weathering is usually greatest in the ________.
A) tropical forest
B) boreal forest
C) desert
D) tundra
E) Antarctic