TASK DEFINITION: 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").
PROBLEM: Fact1: All life relies on a relatively narrow range of pH, or acidity., Fact2: Human life is dependent life., Question: what relies on a relatively narrow range of acidity? (A) gravity (B) mammals (C) animals (D) trees (E) humans (F) density (G) volume (H) potatoes

SOLUTION: E

PROBLEM: Fact1: Zooplankton are tiny animals that feed on phytoplankton., Fact2: Many zooplankton are crustaceans., Question: What can feed on phytoplankton? (A) producers (B) phytoplankton (C) passenger pigeons (D) bacteria (E) tiny crustaceans (F) the Sun (G) honeybees (H) parasites

SOLUTION: E

PROBLEM: Fact1: when metal conducts heat , that metal expands, Fact2: Metals have large specific heats, that is why they conduct heat well., Question: Why can metals expand? (A) tectonic plates being pushed together (B) they are shiny (C) flow of electrons (D) matter vibrating (E) they have large specific heats (F) they are hard (G) they can rust (H) electron transport

SOLUTION:
E