Igneous, sedimentary, and metamorphic are three ________.
A) basic classes of soils
B) forms of minerals
C) processes of weathering
D) master horizon names
E) types of rocks
Question 2
The presence of rocks such as shale and sandstone indicate the existence of ________.
A) iron-rich minerals
B) highly weathered soils
C) old mountain ranges
D) a high water table
E) ancient seas