1. Which layer of the atmosphere acts as a blanket ?
Ans. Troposphere.
2. In which layer of the atmosphere all the weather-changes take place ?
Ans. Troposphere.
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3. Which layer of the atmosphere has the maximum concentration of the ozone gas ?
Ans. Ozonosphere, it is a part of stratosphere.
4. Which rays in the atmosphere coming from the sun are absorbed by Ozone ?
Ans. Ultraviolet rays.
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5. Which layer of the atmosphere contains ideal flying conditions for jet air-crafts ?
Ans. Stratosphere.
6. In which layer of the atmosphere there is a great decrease of temperature ?
Ans. Mesosphere.