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: Question: What delivers natural gas from rock that might not otherwise be obtainable? Answer: fracking

Answer: Fracking delivers natural gas from rock that might not otherwise be obtainable.


Question: Question: What is the term for the exchange of genetic material between non-sister chromatids of homologous chromosomes? Answer: crossing-over

Answer: Crossing-over is the term for the exchange of genetic material between non-sister chromatids of homologous chromosomes.


Question: Question: A winter storm is called what? Answer: blizzard

Answer:
A winter storm is called a blizzard.