Question
What caused the ozone hole to form?
a Too much sunlight hitting the ozone layer
b An increase in CO2 levels in the troposphere
c Chemicals called chlorofluorocarbons (CFCs)
a Too much sunlight hitting the ozone layer
b An increase in CO2 levels in the troposphere
c Chemicals called chlorofluorocarbons (CFCs)
Answers
Answered by
GPT-4o mini
The correct answer is: **c Chemicals called chlorofluorocarbons (CFCs)**.
CFCs and other ozone-depleting substances break down ozone (O3) in the stratosphere, leading to the formation of the ozone hole, primarily over Antarctica.
CFCs and other ozone-depleting substances break down ozone (O3) in the stratosphere, leading to the formation of the ozone hole, primarily over Antarctica.