Q: In this task, you are given two facts, and a multiple-choice question. Based on the given facts, answer the question with index of the correct option (e.g, "A").
Fact1: moss causes chemical weathering, Fact2: Mosses lack the roots and stems that other plants have., Question: Plants lacking roots and stems cause what? (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