Social Sciences, asked by vinothinithangavel1, 4 months ago

paragraph on structure of atmosphere​

Answers

Answered by Swezzer
0

The structure of the atmosphere dictates the way the atmosphere behaves and controls how weather develops near the surface of the earth. The atmosphere consists of 4 layers: the troposphere, stratosphere, mesosphere, and thermosphere.This is the layer where we live and where weather happens.

Answered by ItZzPriyanka
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Question:-

paragraph on structure of atmosphere

Solution:-

The atmosphere of Earth is composed of nitrogen (about 78%), oxygen (about 21%), argon (about 0.9%), carbon dioxide (0.03%) and other gases in trace amounts. Oxygen is used by most organisms for respiration; nitrogen is fixed by bacteria and lightning to produce ammonia used in the construction of nucleotides and amino acids; and carbon dioxide is used by plants, algae and cyanobacteria for photosynthesis.

There are Five types of atmosphere:-

  1. Troposphere
  2. Stratosphere
  3. Mesosphere
  4. Thermosphere
  5. Exosphere

  • The atmosphere helps to protect living organisms from genetic damage by solar ultraviolet radiation, solar wind and cosmic rays.

  • The current composition of the Earth's atmosphere is the product of billions of years of biochemical modification of the paleoatmosphere by living organisms.

  • The term stellar atmosphere describes the outer region of a star and typically includes the portion above the opaque photosphere. Stars with sufficiently low temperatures may have outer atmospheres with compound molecules.
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