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

Ex Input:
Tight junction is the term for a watertight seal between two adjacent animal cells.

Ex Output:
What is the term for a watertight seal between two adjacent animal cells?


Ex Input:
Plankton is the most common life form in the ocean.

Ex Output:
What is the most common life form in the ocean?


Ex Input:
Decibel is the term used to measure the intensity of sound waves.

Ex Output:
What is the term used to measure the intensity of sound waves?