Coast Guard Exams
Question 890Navigation General70% to pass

The barometer is an instrument for measuring the _______________.

AI Explanation
The correct answer is D) atmospheric pressure. The barometer is an instrument used to measure atmospheric pressure, which is the force exerted by the weight of the air above a given location. Atmospheric pressure is a critical factor in weather forecasting and can provide information about changing weather conditions. The other answer choices are incorrect because they measure different meteorological variables - temperature (A), relative humidity (B), and dew point (C) - rather than atmospheric pressure, which is the primary function of a barometer.

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