Category: Class 7 Social Science

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

Discussion Forum Latest Questions

Virat

We measure weather using instruments like thermometers (temperature), barometers (pressure), rain gauges (rainfall), anemometers (wind speed), and hygrometers (humidity). Automated Weather Stations combine these tools to monitor weather accurately. Data is recorded at regular intervals to help forecast and understand ...

Virat

Wind direction is measured using a wind vane, which points where the wind blows from. Wind speed is measured by an anemometer, which spins faster when wind is stronger. These instruments help pilots, sailors and meteorologists understand and predict weather ...

Virat

Yes, such seeds rely on wind for dispersal. If there were no wind, the seeds would fall near the parent plant, leading to overcrowding. This would limit space and nutrients for growth. Wind helps spread seeds farther to grow in ...