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: fossils are formed when layers of sediment cover the remains of organisms over time, Fact2: Plants and animals are organisms., Question: What forms when plants are covered in layers of sediment over time? (A) Conifers (B) watershred (C) fossils (D) H2O (E) Echinoids (F) bubbles (G) loose soil (H) bones

SOLUTION: C

PROBLEM: Fact1: freezing means changing from a liquid into a solid by reducing heat energy, Fact2: Water freezes into ice when cooled., Question: What turns from a liquid into a solid? (A) ice (B) heated water (C) kinetic energy (D) fossil fuels (E) solid, liquid, gas (F) Calcium carbonate (G) cooled water (H) superheated water

SOLUTION:
G