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.

[Q]: Question: Trees release what gas as a byproduct of photosynthesis, thereby facilitating human respiration? Answer: oxygen
[A]: Trees release oxygen gas as a byproduct of photosynthesis, thereby facilitating human respiration.


[Q]: Question: Melanocytes are located in which layer of the epidermis? Answer: bottom
[A]: Melanocytes are located in the bottom layer of the epidermis.


[Q]: Question: What type of graph is useful for showing percents of a whole? Answer: circle graphs
[A]:
Circle graphs are useful for showing percents of a whole.