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: Ants communicate with chemicals called pheromones., Fact2: Ants are of extreme importance in the insect world., Question: How do some insects communicate? (A) sound (B) sensory neurons (C) Decibels (D) electronic waves (E) progesterone (F) Vibrates (G) pheromones (H) radio waves
G

Fact1: nuclear reactions in stars causes stars to produce light, Fact2: An intense bright light produces a glare., Question: What in stars cause stars to produce bright glares (A) energy of moving objects (B) nuclear reactions (C) direct energy (D) shining suns (E) bright activity (F) Chemical energy (G) moving moons (H) heat energy
B

Fact1: Veins generally carry deoxygenated blood., Fact2: Deoxygenated blood is heavy with carbon dioxide., Question: What does blood in the veins have a lot of? (A) Carbon dioxide (B) Carbon monoxide (C) h2o (D) Energy. (E) Air (F) kinetic energy (G) Decibels (H) Chemical energy

A