Most ozone gas (about 90%) is located in the atmospheric layer of
[amp_mcq option1=”ionosphere” option2=”troposphere” option3=”stratosphere” option4=”mesosphere” correct=”option3″]
This question was previously asked in
UPSC CDS-2 – 2017
Most ozone gas (about 90%) is located in the atmospheric layer of
[amp_mcq option1=”ionosphere” option2=”troposphere” option3=”stratosphere” option4=”mesosphere” correct=”option3″]