In which of the following area the ozone hole was observed for the first time in 1985? |
|||
(a) |
South America |
(b) |
Western Europe |
(c) |
Antarctica |
(d) |
Alaska |
In which of the following area the ozone hole was observed for the first time in 1985? |
|||
(a) |
South America |
(b) |
Western Europe |
(c) |
Antarctica |
(d) |
Alaska |