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: What type of light is composed of many rays having random polarization directions? Answer: unpolarized light
[EX A]: Unpolarized light type of light is composed of many rays having random polarization directions.

[EX Q]: Question: Where are some of the greatest concentrations of species found? Answer: in the tropics
[EX A]: Some of the greatest concentrations of species are found in the tropics.

[EX Q]: Question: What is the term for the wavelengths of light humans can see? Answer: visible light
[EX A]:
Visible light is the term for the wavelengths of light humans can see.

