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: What type of transport requires no energy and occurs when substances move from areas of higher to lower concentration? Answer: passive transport

SOLUTION: Passive transport requires no energy and occurs when substances move from areas of higher to lower concentration.

PROBLEM: Question: What is the term for a test to see if a scientific explanation is right or wrong? Answer: experiment

SOLUTION: Experiment is the term for a test to see if a scientific explanation is right or wrong.

PROBLEM: Question: What play an important role in the modulation of the nuclear chain reaction? Answer: control rods

SOLUTION:
Control rods play an important role in the modulation of the nuclear chain reaction.