Which of the following is an ozone depleting substance (ods)? a. ultraviolet radiation b. chlorofluorocarbon (cfc) c. biogeochemical cycle d. none of the above

Correct B) Chlorofluorocarbon

Ozone depleting substance are those substance which are responsible for depleting the ozone layer. These ozone depleting substances are used in refrigerators,  airconditioners,  refrigeratorsfire extinguishers, , as solvents for cleaning, in dry cleaning, electronic equipment and as agricultural fumigants.

The chemical which are most commonly known to cause depletion of ozone layer are :

Chlorofluorocarbons (CFCs)

Carbon tetrachloride (CCl4),

Methyl chloroform (CH3CCl3)

Hydrobromofluorocarbons (HBFCs)

Hydrochlorofluorocarbons (HCFCs)

Methyl bromide (CH3Br)

Bromochloromethane (CH2BrCl

B) Chlorofluorocarbon

Explanation:

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a adaptation is when organism changes itself to fit the environment

ex. when its cold outside i wear a jacket

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