i) What is the basis of dividing the atmosphere into various regions?

Question

ii) Write the major components of atmosphere and state the altitude uptill which the composition remains uniform.

21 Jan 2021

Answer :

Word Count : 305

The atmosphere is divided into various regions based on changes in temperature, composition, and other physical properties. Primarily, these divisions are based on the variation in temperature with altitude, known as the temperature profile. The distinct regions are:

1. Troposphere: This is the lowest layer, where temperature decreases with altitude. It contains about 75-80% of the total mass of the atmosphere and is where weather phenomena occur. It extends up to approximately 8-15 kilometers above the ____ ________ _________ _________ ______ ____ ____ __________ _________ _____ ____.
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