A) Because of the presence of vast deserts, where there are no trees to use carbon dioxide, hence excess gases are released in the atmosphere.
B) We the human being upset balance of nature by burning of fuels, such as coal and oil.
C) We upset nature and its balance by cutting trees.
D) Because of green house effect.
E) None of these
Correct Answer: B
You need to login to perform this action.
You will be redirected in
3 sec