Effects of Atmosphere on Living Beings — Social Science STD 7 — Question
Gujarat BoardEnglish MediumSTD 7Social ScienceEffects of Atmosphere on Living Beings3 Marks
Question
How did the four layers of the atmosphere come into existence ?
✓
Answer
The carth was in the form of a gaseous fireball initially.
The fireball slowly cooled down and some of its matter was transformed into liquid and solid state.
During this process, the matter which condensed into solid material, created the 'Lithosphere'.
The matter which transformed into liquid form created "Hydrosphere and the matter which condensed into gaseous form is called 'Atmosphere.
The life which developed into the lithosphere, the hydrosphere and the atmosphere is called 'Biosphere'. This way, the four layers of the atmosphere came into existence.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.