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.

[EX Q]: Question: What do you call the movement of molecules across a membrane without the input of energy? Answer: passive transport
[EX A]: You call the movement of molecules across a membrane without the input of energy passive transport.

[EX Q]: Question: What do you call sound that has a wave frequency higher than the human ear can detect? Answer: ultrasound
[EX A]: You call sound that has a wave frequency higher than the human ear can detect ultrasound.

[EX Q]: Question: How do you decrease errors in an experiment? Answer: take many measurements
[EX A]:
You decrease errors in an experiment by take many measurements.