Which one of the following conferences were convened to discuss environmental protection and socio-economic development at the global level in 1992?

Which one of the following conferences were convened to discuss environmental protection and socio-economic development at the global level in 1992? 

A. Kyoto Protocol 

B. Montreal Protocol 

C. Rio de Janeiro Earth Summit 

D. World Summit on Sustainable Development

C. Rio de Janeiro Earth Summit 

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CBSE Class 10 Social-Science Sample Paper-2022