Question
Question: I. Montreal Protocol was signed in 1987 II\. Earth summit 1992 was held at Rio-de-Janeiro III\. Wo...
I. Montreal Protocol was signed in 1987
II. Earth summit 1992 was held at Rio-de-Janeiro
III. World Environment Day is 5 June
IV. World Environment Day coincides with commemoration of First United Nations Conference on Human Environment.
V. At Do below 4 mg/L, water at normal temperature is heavily polluted.
Which of the above statements is correct?
A
All
B
All except IV
C
All except II and III
D
None
Answer
All