Category: Class 7 Social Science

NCERT Solutions for Class 7 Social Science CBSE Session 2021-2022.

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Virat

Measuring atmospheric pressure helps predict weather changes like storms or cyclones. Meteorologists, pilots, sailors, mountaineers and disaster management teams use this data to plan safely. A drop in pressure often indicates rain or storms, making such measurements critical for safety ...

Virat

At high altitudes, atmospheric pressure is lower, so there is less oxygen in the air. Our bodies struggle to absorb enough oxygen, making us feel dizzy, breathless or tired. This is why people need to rest and adjust gradually at ...

Virat

Atmospheric pressure is the weight of air pressing down on Earth’s surface. It is higher at sea level and lower in mountains. It affects weather patterns and human comfort. Barometers measure this pressure, usually in millibars. Low pressure often signals ...

Virat

It means the area received rain that filled up to a height of 30 millimetres in a rain gauge. Rainfall is measured using a rain gauge, which collects rainwater in a cylinder. The height of water collected tells how much ...