its B ;
The arrangement of the layers of the atmosphere from the ground to the outer regions above the ground is troposphere, stratosphere, mesosphere, thermosphere, ionosphere and exosphere. The UV is said to be absorbed by layers thermosphere, mesosphere and stratosphere. Answer is B.
The stratosphere and troposphere are the two layers responsible for the majority of solar radiation absorption, with the stratosphere absorbing harmful UV rays through the ozone layer and the troposphere absorbing infrared radiation. Therefore, the correct option is A. Stratosphere and troposphere.
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