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: Biodiversity increases the productivity and stability of ecosystems., Fact2: An ecosystem includes the organisms and their habitat., Question: what does biodiversity increase the productivity and stability of? (A) density (B) the looseness of soil (C) water vapor (D) the environment (E) h2o (F) swamp vegetation (G) biological diversity (H) organisms and their habitat

SOLUTION: H

PROBLEM: Fact1: extreme heat and pressure change rock into metamorphic rock, Fact2: Marble is a form of metamorphic rock., Question: What is formed from extreme heat and pressure? (A) glass (B) marble (C) crust (D) soils (E) coal (F) sugar (G) calcite (H) arteries

SOLUTION: B

PROBLEM: Fact1: harming an animal species has a negative impact on the population size of that species, Fact2: Animals are harmed because of cosmetic testing., Question: What has a negative impact on the population size of a species? (A) Pesticides (B) influenza (C) steroids (D) liver cancer (E) cloudy and rainy weather (F) massive damage (G) cosmetic testing (H) killing insects

SOLUTION:
G