Which of the following instruments is used for measuring humidity in air?

A. Hygrometer 
B. Barometer
C. Thermometer
D. None of these

🧠 Explanation:

A hygrometer measures humidity in the air, critical for weather analysis. For environmental science students, this highlights meteorology, making it a key topic for studying climate science, environmental monitoring, and scientific instruments. Humidity affects ecosystems. Understanding this ensures knowledge of atmospheric conditions. It’s essential for analyzing weather patterns, environmental science, and agriculture. Studying hygrometers offers insights into how instruments monitor climate, crucial for environmental science, meteorology, and agriculture, ensuring accurate environmental data collection.