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Question : The ozone layer is formed due to reactions of:

Option 1: oxygen and ultraviolet rays

Option 2: carbon dioxide and layers of the atmosphere

Option 3: cosmic rays and layers of atmosphere

Option 4: infrared rays and ultraviolet rays


Team Careers360 19th Jan, 2024
Answer (1)
Team Careers360 20th Jan, 2024

Correct Answer: oxygen and ultraviolet rays


Solution : The answer is oxygen and ultraviolet rays.

Ozone is generated when oxygen molecules (O 2 ) combine with ultraviolet (UV) light from the sun. Three oxygen molecules combine to generate two ozone molecules in the process. 3O 2 + UV radiation → 2O 3 ; this reaction takes place in the stratosphere.

Ozone is essential for absorbing and shielding a major percentage of the sun's UV rays from reaching the Earth's surface, safeguarding living organisms from the destructive effects of excessive UV radiation.

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