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: Carbon dioxide molecules consist of a central carbon atom bonded to how many oxygen atoms? Answer: two
[EX A]: Carbon dioxide molecules consist of a central carbon atom bonded to two oxygen atoms.

[EX Q]: Question: How do heavy alkanes affect the skin? Answer: form a protective layer
[EX A]: Form a protective layer do heavy alkanes affect the skin.

[EX Q]: Question: The soil beneath a deciduous forest is called what? Answer: pedalfer
[EX A]:
The soil beneath a deciduous forest is called pedalfer.