Detailed Instructions: Given a scientific passage and an answer, generate a question for the given answer.
Problem:Passage: With fracking, fluids are pumped through a borehole. The fluids create fractures in the rock that contains the natural gas. Chemicals in the fluid prevent the fractures from closing. The natural gas can then be pumped to the surface. Answer: fracking
Solution:
In what energy industry process are fluids pumped through a borehole, creating fractures in the rock that contains the natural gas?