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: What once most common bird in north america became extinct in the 1800s? Answer: the passenger piegon
[A]: The passenger piegon once most common bird in north america became extinct in the 1800s.


[Q]: Question: The reverse process of moving material into a cell is the process of what? Answer: exocytosis
[A]: The reverse process of moving material into a cell is the process of exocytosis.


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