Select Board & Class


Natural Resources

  • Atmosphere : It is the multi-layered gaseous envelope surrounding the earth.
  • Layers of atmosphere : Troposphere, stratosphere, mesosphere, thermosphere (or ionosphere) and exosphere
  • Role of the atmosphere
    • It acts like a blanket, thus covering the earth.
    • It absorbs heat from sunlight, thus keeping the average temperature of the earth steady.
  • Wind – It is caused by the uneven distribution of heat over the Earth’s surface.
  • Formation of Wind 
    • Wind is formed as a result of the differential heating of the atmosphere.
    • During the day, wind blows from sea to land. This is known as sea breeze.
    • During the night, w…

To view the complete topic, please

What are you looking for?