The United Nations, General Assembly has designated Sep16th as thr International Day for the preservation of the Ozone Layer.
Syeda Ayesha Mohammadiya of Xth Std presented a brief report on Ozone layer in assembly.
16th SEPTEMBER 2015 OZONE DAY
The United Nations, General Assembly has designated Sep16th as thr International Day for the preservation of the Ozone Layer.
Syeda Ayesha Mohammadiya of Xth Std presented a brief report on Ozone layer in assembly.