20%20questions%20about%20ozone0-2

20%20questions%20about%20ozone0-2 - Q11. How severe is the...

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TWENTY QUESTIONS AND ANSWERS ABOUT THE OZONE LAYER I. OZONE IN OUR ATMOSPHERE Q1. What is ozone and where is it in the atmosphere? Q2. How is ozone formed in the atmosphere? Q3. Why do we care about atmospheric ozone? Q4. Is total ozone uniform over the globe? Q5. How is ozone measured in the atmosphere? II. THE OZONE DEPLETION PROCESS Q6. What are the principal steps in stratospheric ozone depletion caused by human activities? Q7. What emissions from human activities lead to ozone depletion? Q8. What are the reactive halogen gases that destroy stratospheric ozone? Q9. What are the chlorine and bromine reactions that destroy stratospheric ozone? Q10. Why has an “ozone hole” appeared over Antarctica when ozone-depleting gases are present throughout the stratosphere? III. STRATOSPHERIC OZONE DEPLETION
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Unformatted text preview: Q11. How severe is the depletion of the Antarctic ozone layer? Q12. Is there depletion of the Arctic ozone layer? Q13. How large is the depletion of the global ozone layer? Q14. Do changes in the Sun and volcanic eruptions affect the ozone layer? IV. CONTROLLING OZONE-DEPLETING GASES Q15. Are there regulations on the production of ozone-depleting gases? Q16. Has the Montreal Protocol been successful in reducing ozone-depleting gases in the atmosphere? V. IMPLICATIONS OF OZONE DEPLETION Q17. Does depletion of the ozone layer increase ground-level ultraviolet radiation? Q18. Is depletion of the ozone layer the principal cause of climate change? VI. STRATOSPHERIC OZONE IN THE FUTURE Q19. How will recovery of the ozone layer be detected? Q20. When is the ozone layer expected to recover?...
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