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 chemical reactions require activation energy to get started., Fact2: Enzymes are catalysts and accordingly, speed up reactions by decreasing the activation energy., Question: What can make a chemical reaction easier to get started? (A) sweating (B) ATP (C) Carbohydrates (D) heat (E) a stove (F) DNA (G) Enzymes (H) electron
G