In this task, you are given a question and a corresponding answer. Your task is to generate a fact statement that is useful in answering the given question.

[EX Q]: Question: Humans contribute to environmental pollution? Answer: by leaving behind refuse on public beaches.
[EX A]: pollution is when humans pollute the environment with pollutants

[EX Q]: Question: Glaciers have? Answer: slow, hidden rivers.
[EX A]: a glacier is made of ice

[EX Q]: Question: Just like with humans, if another organism consumes more calories than it burns off, it will inevitably? Answer: get fatter.
[EX A]:
as the amount of food an animal eats increases , the weight of that animal will increase