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: DNA contains genetic instructions for proteins, and RNA helps assemble the proteins., Fact2: DNA is the genetic material responsible for heredity., Question: The genetic material responsible for heredity contains what? (A) wavelengths and photons (B) instructions for proteins (C) characteristics (D) pre-assembled proteins (E) organelles (F) Chemical energy (G) A compound that donates proton (H) blood
B

Fact1: All chemical reactions require activation energy to get started., Fact2: Chemical changes are a result of chemical reactions., Question: What is required before a chemical change? (A) kinetic energy (B) energy usage (C) activation push (D) activation energy (E) activation switch (F) activation power (G) Burning fuel and air (H) Evaporation
D

Fact1: Most invertebrates have a nervous system., Fact2: Insects are the most common invertebrates., Question: what do most types of have nervous systems? (A) complex (B) animals (C) cows (D) insects (E) goats (F) protist (G) bacteria (H) sweat glands

D