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: When light meets matter, it may be reflected, transmitted, or what? Answer: absorbed
[A]: When light meets matter, it may be reflected, transmitted, or absorbed.


[Q]: Question: When food enters the stomach after a period of fasting, a drop in what initiates the conversion of pepsinogen to pepsin? Answer: ph
[A]: Ph food enters the stomach after a period of fasting, a drop in what initiates the conversion of pepsinogen to pepsin.


[Q]: Question: Which process helps microorganisms make food with chemicals pouring out of deep-sea vents? Answer: chemosynthesis
[A]:
Chemosynthesis helps microorganisms make food with chemicals pouring out of deep-sea vents.