Given a scientific question, generate a correct answer to it.

[EX Q]: Both fats and oils are made up of long chains of carbon atoms that are bonded together. what are these chains called?
[EX A]: fatty acids

[EX Q]: Flatworms reproduce sexually. in most species, the same individuals produce both what?
[EX A]: eggs and sperm

[EX Q]: Bar, circle, and line are examples of what kind of data visualization?
[EX A]:
graphs