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.

Question: Glass breaking is an example of what type of change that doesn't affect the makeup of matter? Answer: physical
Glass breaking is an example of physical type of change that doesn't affect the makeup of matter.

Question: The concentration of hydrogen ions in a solution is called? Answer: acidity
The concentration of hydrogen ions in a solution is called acidity.

Question: What color light is actually the absence of electromagnetic waves in the visible spectrum, for humans? Answer: black light

Black light color light is actually the absence of electromagnetic waves in the visible spectrum, for humans.