B. State whether 'True' or 'False': 1. The liquid used in a thermometer is water. 2. A thermometer records the temperature of freely moving air. 3. A hygrometer measures atmospheric pressure. 4. The self-recording instrument measuring rainfall is called pluviograph.
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1. The liquid used in a thermometer is water.
=> false ,liquid is mercury
2. A thermometer records the temperature of freely moving air.
=> false, it measure body/liquid temperature.
3. A hygrometer measures atmospheric pressure.
=> false, it is used to measure humidity
4. The self-recording instrument measuring rainfall is called pluviograph.
=> True
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