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 Mosses are flowerless plants that grow in clumps., Question: What can cause chemical weathering? (A) Calcium carbonate (B) our nearest star (C) global warming (D) sea squirts (E) swamp vegetation (F) single-celled organisms (G) flowerless plants (H) Earthworms
G

Fact1: Plants live just about everywhere on Earth., Fact2: Epiphytes are plants that live on other plants., Question: Where do epiphytes live? (A) swamp vegetation (B) mountains (C) vegetation (D) the environment (E) peachleaf willow (F) ice (G) rocks (H) everywhere on earth
H

Fact1: All chemical reactions require activation energy to get started., Fact2: Chemical changes are referred to as a chemical reaction., Question: What require activation energy to get started? (A) changing colors (B) chemical additions (C) reacting colors (D) Firecrackers (E) an engine (F) heating liquids (G) Organic compounds (H) chemical changes

H