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: All life relies on a relatively narrow range of pH, or acidity., Fact2: Biochemical reactions are catalyzed by enzymes that have very narrow ranges of optimum pH values., Question: All what relies on a narrow range where biochemical reactions can be catalyze by enzymes (A) sugar (B) weathering (C) Crops (D) CO 2 (E) climate (F) heat (G) life (H) weather
A:
G