instruction:
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.
question:
Question: A way in which humans may cause pollution to the environment is? Answer: using bug killer on crops.
answer:
pollution is when humans pollute the environment with pollutants


question:
Question: A thermometer would be used to? Answer: determine if it is hotter in the desert.
answer:
a thermometer is used to measure temperature


question:
Question: Calculating a short distance can be accomplished with a? Answer: yard stick.
answer:

a meter stick is used to measure length