Answered

Which substance is considered to be a factor affecting the Earth's ozone layer?
O Chlorofluorocarbons
O water vapor
Onitrogen gas
O ethyl alcohol



Answer :

GinnyAnswer

Final answer:

Chlorofluorocarbons (CFCs) negatively impact the Earth's ozone layer by releasing chlorine atoms, which break down ozone molecules. This depletion poses environmental risks.


Explanation:

Chlorofluorocarbons (CFCs) are considered a major factor affecting the Earth's ozone layer. These human-made chemicals release chlorine atoms when broken down by UV radiation in the stratosphere, leading to the breakdown of ozone molecules that protect the Earth from harmful UV radiation. This depletion of the ozone layer has serious environmental consequences.


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