Barograph
Radiosonde
Aneroid barometer
Altimeter
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The correct answer is: B. Radiosonde
A radiosonde is a balloon-borne instrument that measures temperature, pressure, and humidity at various altitudes in the atmosphere. It is used to collect data for weather forecasting and climate research.
A barograph is an instrument that measures atmospheric pressure. It is typically used to record changes in pressure over time.
An aneroid barometer is a type of barometer that uses a sealed capsule filled with a vacuum to measure pressure. It is typically used to measure current atmospheric pressure.
An altimeter is an instrument that measures altitude. It is typically used in aviation to measure the height of an aircraft above sea level.