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: Antigens are molecules that the immune system recognizes as foreign to the body., Fact2: Children are born with an immature immune, or defense, system., Question: What are molecules that the defense system recognizes as foreign to the body? (A) Allergies (B) lungs (C) antigens (D) bacteria (E) parasites (F) atoms (G) red blood cells (H) acetic acid
C

Fact1: Hagfish are noted for secreting large amounts of thick, slimy mucus., Fact2: Hagfish and lampreys have no internal hard tissues at all., Question: Creatures that have no internal hard tissues at all are noted for what-ing large amounts of thick,? (A) space between (B) protection (C) secreting (D) coarse grit (E) dandelions (F) sponges (G) tiny hairs (H) Therapsids
C

Fact1: Genes that are located on the same chromosome are called linked genes., Fact2: Gene A gene is the basic unit of heriditary information., Question: What are the units of basic information on chromosomes? (A) colors (B) heriditary (C) sensory neurons (D) Most plants (E) Joules (F) pollen (G) A Greek letter (H) photons

B