Basic General Knowledge
The ozone layer is being destroyed by chlorofluorocarbons. In this regard which do you consider as the most harmful?

Chlorine atom
The entire compound
Fluorine atom
Carbon atom

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Basic General Knowledge
The regional economic commissions of the Economic and Social Council (UNO) are

ECWA (Economic Commission for Western Asia) and ECLA
ECE (Economic Commission of Europe) and ESCAP (Economic and Social Commission for Asia)
All of these
ECLA (Economic Commission for Latin America) and ECA (Economic Commission for Africa)

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