TASK DEFINITION: In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.
PROBLEM: Question: Besides the concentration of dissolve oxygen and nutrients in the water, what other factor limits aquatic organisms? Answer: availability of sunlight

SOLUTION: Besides the concentration of dissolve oxygen and nutrients in the water, the availability of sunlight limits aquatic organisms.

PROBLEM: Question: When do weather balloons return to earth? Answer: when it bursts

SOLUTION: When it bursts do weather balloons return to earth.

PROBLEM: Question: Metabolic enzymes catalyze catabolic reactions that break down what? Answer: carbohydrates

SOLUTION:
Metabolic enzymes catalyze catabolic reactions that break down carbohydrates.