Q: Fact 1: Moss causes chemical weathering. Fact 2: Mosses lack the roots and stems that other plants have. Given the two facts above, plants lacking roots and stems cause what?

Select from the following. A. cause their death. B. harmful substances. C. Greenhouse gases. D. dry conditions. E. chemical weathering. F. Damages them. G. deforestation. H. Dehydration.
A:
E.