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: Biomass is the total mass of organisms at a trophic level., Fact2: Each stage is a trophic level., Question: The total mass of organisms in an environmental stage is called what? (A) food pyramid (B) extinction (C) ecological pyramid (D) food chain (E) vegetation (F) food (G) ligt (H) biomass

SOLUTION: H

PROBLEM: Fact1: if a living thing becomes too cold then that living thing will die, Fact2: Plants are also the oldest living things., Question: what dies if it becomes too cold? (A) plants (B) starfish (C) trout (D) planets (E) trees (F) ice (G) bears (H) clouds

SOLUTION: A

PROBLEM: Fact1: planting trees has a positive impact on an ecosystem, Fact2: Human beings live within the world's ecosystems., Question: What does planting trees have a positive impact on? (A) animals (B) sun (C) humans (D) watershed (E) stars (F) habitat (G) earth (H) moon

SOLUTION:
C