Accurate weather prediction helps people prepare for disasters like floods, heat waves, and cyclones. With climate change increasing extreme weather events, early warnings protect lives, crops and property. It helps governments, farmers and industries take timely actions to reduce risks ...
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Measuring humidity is essential in museums to protect delicate artifacts from moisture damage. In industries, especially food and electronics, humidity control prevents spoilage and ensures quality. Hygrometers are used to maintain optimal humidity levels for safety and preservation purposes. Class 7 ...
Ants carrying eggs to higher ground or birds flying low are signs of approaching rain or storms. These natural behaviours indicate animals can sense atmospheric changes. Such traditional knowledge, passed down generations, helps people forecast weather before modern instruments were ...
At high altitudes, atmospheric pressure is lower, meaning less oxygen is available in the air. Our bodies get less oxygen with each breath, leading to breathlessness, dizziness or tiredness. That’s why mountaineers and travellers need time to adjust or acclimatise. Class ...
Atmospheric pressure is the force exerted by air on the Earth’s surface. It is higher at sea level and decreases with altitude because there is less air above. As you climb mountains, pressure drops, making the air thinner and breathing ...