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").

[EX Q]: Fact1: mechanical weathering is when rocks are broken down by mechanical means, Fact2: Pysical weathering is the mechanical breakdown of rocks., Question: What is when rocks are broken down? (A) roof weathering (B) Plant growth is reduced (C) brick weathering (D) Physical weathering (E) remains of prehistoric life (F) at or near the margins (G) home weathering (H) major threat to health
[EX A]: D

[EX Q]: Fact1: Chromosomes are the form of the genetic material of a cell during cell division., Fact2: Mitosis is cell division., Question: Chromosomes are the form of the genetic material during (A) plants (B) reproduce (C) condensation (D) mitosis (E) osmosis (F) complex (G) animals (H) respiration
[EX A]: D

[EX Q]: Fact1: Skin color is a polygenic trait., Fact2: Skin color varies from grey to brown., Question: Your polygenic traits determine: (A) inherited antigens + antibody (B) color of non relatives (C) if you are white or brown (D) building blocks of organisms (E) antigens that cause allergy (F) career choice (G) who you will be friends with (H) Male gametes.
[EX A]:
C