Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
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Question: Technology is the term for the application of science to solve problems.

Answer: What is the term for the application of science to solve problems?


Question: The mesopause is at the top of the mesosphere.

Answer: What is at the top of the mesosphere?


Question: Because most gas particles in the atmosphere are concentrated close to earth's surface, air pressure is greatest at sea level.

Answer:
Because most gas particles in the atmosphere are concentrated close to earth's surface, air pressure is greatest where?