This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
Which one of the following was the major outcome of the famous Earth summit in Rio de Janeiro in 1992 – 
Select and explain. 
A. Setting up of bio-safety standards, B. Global strategy for control of pandemics, C. Framework convention on climate change, D. Framework on strategies for sustainable development
C: Framework convention on climate change
Answer: C: Framework convention on climate change 
Explanation: None