Math, asked by Anonymous, 3 months ago

hme aapke dil tk pahuchna hai .help karo na ?​

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Answered by itzbabygirl123
1

Answer:

1974: Chemists in the USA discover the link between CFCs and the breakdown of ozone in the stratosphere

1985: British scientists publish results of abnormally low ozone concentrations above the Antarctic

1985: Vienna Convention for the Protection of the Ozone Layer agreed

1987: Montreal Protocol on Substances that Deplete the Ozone Layer agreed

1989: Ozone Protection and Synthetic Greenhouse Gas Management Act commenced in Australia

1991: Phase out of CFCs (chlorofluorocarbons) begins

1996: Phase out of HCFCs (hydrochlorofluorocarbons) begins

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