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D. Oxidation
16.\Oxidation commonly affects which type
of rocks?
A. Calcium-rich
0
B. Iron-rich
O
C. Silica-rich
D. Carbonate-rich
17. The rusty-colored surface on some
rocks is due to:
0
A. Carbonation
0
B. Hydration
0
C. Oxidation
O
D. Abrasion
18. Burrowing animals contribute to
weathering by:
0
0
0
A. Producing acidic substances
B. Creating holes and exposing
rock fragments
C. Excreting minerals
D. Freezing water in tunnels