100+ UPSC Geography Atmosphere Questions and Answers Pdf - 1
Write about atmosphere pollution?
The smoke from industries, exhaust from vehicles, dust and waste due to mining are some of the main pollutions of the atmosphere.
We must try to reduce the amount of pollutants released into the air.
The plants need more carbon dioxide from photosynthesis. We can effectively maintain the present level of carbon dioxide in the atmosphere by growing more trees.
The layer of air enveloping the Earthâ€™s surface is called atmosphere.
Name the gases in the atmosphere?
The gases in the atmosphere are nitrogen, oxygen, carbon dioxide, argon, neon, methane, krypton, ozone, helium and hydrogen.
What are the divisions of atmosphere?
The atmosphere is divided into five layers. They are
Write a short note on the troposphere?
The Troposphere is the lowest layer of the atmosphere. It extends to a height of 16 km over the equator and to about 8 km above the poles.
This layer contains 80 percent of total air in the atmosphere, a large quantity of dust particles and all the water vapour present in the atmosphere.
All weather phenomena such as rain, thunder, lightning, cloud and mist occur only in this layer. Air moves both horizontally and vertically within the atmosphere.
In this layer temperature decreases with increasing altitude at the rate of 6.5°C for every 1000 mt.
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