Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
--------
Question: The double helix dna shape forms when the two nucleotide chains wrap around the same axis.

Answer: What distinctive dna shape forms when the two nucleotide chains wrap around the same axis?


Question: Hydrocarbons compounds, which serve as fuels and are used in manufacturing, are called the driving force of western civilization.

Answer: What compounds, which serve as fuels and are used in manufacturing, are called the driving force of western civilization?


Question: Density describes how much matter is in a certain amount of space.

Answer:
What describes how much matter is in a certain amount of space?