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: When substances pass through the cell membrane without needing any energy what is it called? Answer: passive transport
[EX A]: When substances pass through the cell membrane without needing any energy, it is called passive transport.

[EX Q]: Question: Elements below the second period, such as silicon, do not form what as readily as second-period elements, and when they do form, they are weaker than those formed by second-period elements? Answer: n bonds
[EX A]: Elements below the second period, such as silicon, do not form n bonds as readily as second-period elements, and when they do form, they are weaker than those formed by second-period elements.

[EX Q]: Question: Research that focuses on understanding basic properties and processes without concern for the usefulness of this understanding is known as what kind of research? Answer: pure research
[EX A]:
Research that focuses on understanding basic properties and processes without concern for the usefulness of this understanding is known as pure research kind of research.