Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

Q: Hemodialysis has a patient’s blood pass through a length of tubing that travels through an artificial kidney machine.

A: Which form of dialysis has a patient’s blood pass through a length of tubing that travels through an artificial kidney machine?
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Q: Cells have four cycles.

A: How many cycles do cells have?
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Q: Constructive forces type of forces are involved when deposited rock forms deltas or barrier islands.

A:
What type of forces are involved when deposited rock forms deltas or barrier islands?
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