Question 1117Navigation General

The correct answer is D) indicate any change in the reading of the barometer. The "set" hand on an aneroid barometer is used to mark the current barometric pressure reading, allowing the user to easily detect any changes in the barometric pressure over time. This is helpful for monitoring weather patterns and potential changes in conditions. The other answer choices are incorrect because: A) The height above sea level is accounted for in the barometer's design, not by adjusting the "set" hand. B) Temperature changes are also accounted for in the barometer's construction, not by the "set" hand. C) The "set" hand does not adjust the barometer itself, it simply marks the current reading.