Question

Explain the composition of the atmosphere ?
and
List the different layers of atmosphere. Explain the significance of each layer .

Whoever answer's are relevant , I will give 50 points and mark as brainliest ...................

Answer 1

Answer:

oxygen & carbon dioxide and others

Explanation:

Troposphere

The troposphere is the lowest layer of our atmosphere.

Stratosphere

The stratosphere extends from the top of the troposphere to about 50 km (31 miles) above the ground.

Mesosphere

It extends upward to a height of about 85 km (53 miles) above our planet. Most meteors burn up in the

Thermosphere

The layer of very rare air above the mesosphere is called the thermosphere. High-energy X-rays and UV radiation from the Sun are absorbed in the thermosphere, raising its temperature to hundreds or at times thousands of degrees.  

Exosphere

Although some experts consider the thermosphere to be the uppermost layer of our atmosphere, others consider the exosphere to be the actual "final frontier" of Earth's gaseous envelope.

Ionosphere

The ionosphere is not a distinct layer like the others mentioned above. Instead, the ionosphere is a series of regions in parts of the mesosphere and thermosphere where high-energy radiation from the Sun has knocked electrons loose from their parent atoms and molecules.

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