Biology · PYQ NEET UG 2019(1)

The Earth Summit held in Rio de Janeiro in 1992 was called:

1. A
   to assess threat posed to native species by invasive weed species.
2. B
   for immediate steps to discontinue use of CFCs that were damaging the ozone layer.
3. C
   to reduce CO2 emissions and global warming.
4. D
   for conservation of biodiversity and sustainable utilization of its benefits.