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: What develops in depressions where water flow is low or nonexistent? Answer: bogs
Bogs develops in depressions where water flow is low or nonexistent.

Question: The cubic crystal system is composed of how many different types of unit cells? Answer: three
The cubic crystal system is composed of three many different types of unit cells.

Question: What hydrocarbons contain only single bonds between carbon atoms? Answer: saturated hydrocarbons

Saturated hydrocarbons hydrocarbons contain only single bonds between carbon atoms.