Question : Hydroscope is an instrument that shows changes in:
Option 1: sound underwater
Option 2: atmospheric humidity
Option 3: pressure fluctuations
Option 4: elevation of land
Correct Answer: pressure fluctuations
Solution : The correct option is pressure fluctuations .
A Hydroscope is a device that displays changes in water level, or pressure. It measures changes in water depth or level in a specific region, such as a river, lake, or reservoir. They give essential information for water resource management, and analyzing future flooding concerns.
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