A. They allowed scientists to study objects in space.
B. They allowed scientists to measure pressure.
C. They allowed scientists to measure temperature.
D. They allowed scientists to observe objects closely.
Answer: B. They allowed scientists to measure pressure.
A barometer is a kind of technical equipment used to control an area’s air pressure. Pressure tendencies can be implemented to forestall short-term weather changes. Frequent air pressure measures are working in dissimilar weather studies to classify surface trough and central borders. Barometers also pressure altimeters (the simplest and most frequent form of altimeter) are basically identical instruments that serve different functions.
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