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").

[Q]: Fact1: Mollusks live in most terrestrial, freshwater, and marine habitats., Fact2: Though most trout are freshwater fish, some live in marine waters., Question: What do some mollusks live near? (A) gills (B) rivers (C) desert (D) roads (E) fungi (F) trout (G) clouds (H) water
[A]: F


[Q]: Fact1: poisonous darts are used for defense by sea anemones, Fact2: Sea anemones are related to jellyfish and coral., Question: what are used for defense by an organism related to jellyfish and coral (A) poisonous darts (B) Chemicals (C) specialized (D) by parasitizing them (E) chondrocytes (F) flagella (G) Microscopic vessels. (H) a sponge
[A]: A


[Q]: Fact1: All chemical reactions require activation energy to get started., Fact2: Activation energy is required to overcome the energy barrier., Question: overcoming the energy barrier starts a what (A) chemical reaction (B) contraction (C) Movement of an air mass (D) expansion (E) metabolic reaction (F) energy storage (G) increased body strength (H) oxidation reaction
[A]:
A