TASK DEFINITION: Given a scientific question and its correct answer, generate supporting facts for the answer. This supporting fact can be an explanation for the answer to the given question.
PROBLEM: Question: Which cycle tracks the flow of nitrogen through an ecosystem? Answer: nitrogen cycle

SOLUTION: Mariana Ruiz Villarreal (LadyofHats) for CK-12 Foundation. The nitrogen cycle tracks the flow of nitrogen through an ecosystem . CC BY-NC 3.0.

PROBLEM: Question: The rock of the mantle is mostly what? Answer: peridotite

SOLUTION: The rock of the mantle is mostly peridotite. Peridotite is formed of crystals of olivine (green) and pyroxene (black).

PROBLEM: Question: What are the most numerous and diverse biochemical compounds? Answer: proteins

SOLUTION:
Proteins are the most numerous and diverse biochemical compounds. They have many different functions.