Environmental Issues Class 12 MCQ Questions We have provided you with Environmental Issues class 12 MCQ Question with Answers free PDF download as per latest CBSE syllabus. To score good marks in your exam practice these MCQ Questions on a daily basis.You can also get an unseen passage for class 4 to 12 in hindi and english here.
Question. By what degrees has the mean global temperature increased in the 20th century?
(a) 0.2%
(b) 0.4%
(c) 0.6%
(d) 0.8%
Answer