The document discusses several multilateral agreements aimed at protecting the ozone layer, including the Montreal Protocol of 1991, which phases out substances that deplete it. The Kyoto Protocol and Doha Round are also mentioned as important international agreements. Ultimately, the Montreal Protocol is highlighted as an essential solution to ozone depletion.

1. Question 25 A Multilateral agreement in which countries signed to ban the trade of products that
deplete the Ozone layer Doha Round 2001, Qatar Kyoto Protocol 1995, Japan Montreal Protocol
1991, Canada Uruguay round 1986, Uruguay Moving to another question will save this response.
Solution
Montreal Protocal 1991, Canada. The Montreal Protocol on Substances that Deplete the Ozone
Layer is an international treaty designed to protect the ozone layer by phasing out the production
of numerous substances that are responsible for ozone depletion. (c) is correct.