Ozone in the troposphere is considered ___ because it contributes to air pollution. | Card: 3 / 20 |
PSCs provide surfaces for chemical reactions that release chlorine from its reservoirs, accelerating ozone depletion. | Card: 8 / 20 |
Fill in the blank: The significant ozone hole over Antarctica is primarily due to ___ temperatures and the presence of ___ clouds. | Card: 9 / 20 |
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What are chlorofluorocarbons (CFCs) and why are they harmful to the ozone layer? | Card: 11 / 20 |
CFCs are chemicals made of chlorine, fluorine, and carbon that release chlorine atoms when exposed to UV radiation, which then destroy ozone. | Card: 12 / 20 |
Riddle: I am found in fire extinguishers and pesticides, my potential to destroy ozone is hundreds of times greater than chlorine. What am I? | Card: 13 / 20 |
Which regulatory measures were introduced in 2000 to control ozone-depleting substances? | Card: 15 / 20 |
The Ozone Depleting Substances (Regulation and Control) Rules, which set deadlines for phasing out various ODSs. | Card: 16 / 20 |
True or False: The Arctic experiences a larger and more permanent ozone hole compared to Antarctica. | Card: 17 / 20 |
The Dobson unit measures the thickness of the ozone layer, indicating the total amount of ozone in a column of air. | Card: 20 / 20 |






