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Which chemical damages the protective ozone layer?

Answer 1

There are a lot of chemicals that damage the ozone layer, the most notorious (and the one you most likely have in mind) is chlorofluorocarbons (CFCs).

Chlorofluorocarbons (CFCs) are an organic compound that are derived from chlorine, fluorine, and carbon (thus their namesake). CFCs are volatile, which means that they rise into the atmosphere or evaporate when exposed to air; they were used as propellants, solvents, and refrigerants. However, due to their propensity to destroy the ozone layer, CFC production is currently being phased out.

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Answer 2

Ivy Ackerman

Chlorofluorocarbons (CFCs) are chemicals that have been identified as major contributors to the depletion of the protective ozone layer in the Earth's stratosphere.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.