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Ozone Layer and Ozone Hole Study 2020-22

Explore the recent study findings on the growth of the ozone hole over Antarctica from 2020-22. Learn about the importance of the ozone layer in absorbing the sun's ultraviolet rays and the characteristics of the ozone hole over the Antarctic and Arctic regions.

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@DelightfulGeometry
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Questions and Answers

What is the main purpose of removing nitrogen compounds related to the impact of chlorine?

To moderate the destructive impact of chlorine

What led to the potential ozone loss in the stratosphere after the 1991 Mt. Pinatubo eruption?

Impact of Volcanic eruptions

Which compound used as a blowing agent was completely eliminated by India under the Montreal Protocol?

HCFC 141b

What is the main focus of India Cooling Action Plan (ICAP) regarding cooling technology?

<p>Enhancing energy efficiency in cooling systems</p> Signup and view all the answers

Which protocol's targets did India surpass according to the report by the Ministry of Environment and UNDP?

<p>Montreal Protocol</p> Signup and view all the answers

What is the goal of India in relation to HCFC phase-out from new equipment manufacturing by December 2024?

<p>Phase out HCFCs completely by 2030</p> Signup and view all the answers

What percentage of Earth's ozone resides in the stratosphere?

<p>Nearly 90%</p> Signup and view all the answers

Which region experiences exceptionally depleted ozone in the stratosphere?

<p>Antarctica and Arctic</p> Signup and view all the answers

What are some major ozone-depleting substances (ODSs) mentioned in the text?

<p>Chlorine, bromine, CFCs, carbon tetrachloride, halons</p> Signup and view all the answers

Which process results in the destruction of ozone in the stratosphere?

<p>Catalytic cycles</p> Signup and view all the answers

What is the average thickness of the ozone layer over Earth as mentioned in the text?

<p>300 Dobson Units</p> Signup and view all the answers

What can destroy ozone in the stratosphere by providing a surface that converts benign forms of chlorine into reactive, ozone-destroying forms?

<p>Polar Stratospheric Clouds (PSCs)</p> Signup and view all the answers

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