Select the correct answer :
(a) Excessive release of carbon dioxide in the atmosphere is the cause of
(i) Depletion of ozone
Which of the following is the main cause of global warming ?
(a) nitrogen dioxide
(b) sulphur dioxide
(c) carbon dioxide
(d) ozone
How does carbon dioxide cause global warming?
If carbon-dioxide present in the atmosphere is only 0.03% how can it causes Global warming?