Biology, 11.03.2021 21:50, robert7248
Weathering – Decide whether the statement is an example of chemical or mechanical weathering. Write “M” for mechanical or “C” for chemical in the space provided.
1. Mosses growing on the surface of rocks, producing pits in the rock.
2. The wedging of tree roots along natural joints in granite outcrops.
4. The oxidation of minerals that contain iron.
5. Animal burrows in soil that let in water and air.
6. Repeated freezing and thawing of water that cracks rock.
7. The action of water, salt, and air on car fenders and panels.
8. Acids from plant roots which break up rock.
9. Formation of potholes in streets during severe winters.
10. Lifted sections of sidewalk along tree-lined streets.
11. A small rock falling from a cliff.
12. Feldspar mixing with acidic groundwater and producing clay minerals.
13. Halite in rocks dissolving in water.
Answers: 1
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