The second type of parent material consists of sand, silt, clay, and rock fragments that were transported by the essential process of, or combination of, water, wind, and gravity.
(The second type of parent material; consists; of sand, silt, clay, and rock fragments) (sand, silt, clay, and rock fragments; were transported; by the essential process of, or combination of, water, wind, and gravity)
The second type of parent material sand, silt, clay, and rock fragments
consists were transported
of sand, silt, clay, and rock fragments
by the essential process of, or combination of, water, wind, and gravity