Question : Match the following and choose the correct combination from the options given below :{:("Column I", "Column II"),("(Green House Gases)", "(Conc. in 200 A.D.)"),("A. CO"_(2), "1. 282ppt"),("B. CH"_(4), "2. 316 ppb"),("C. N"_(2)O, "3. 368 ppm"), ("D. CFC + HFC", "4. 1750 ppb"):}

Question : Match the following and choose the correct combination from

1.	Question : Match the following and choose the correct combination from the options given below :{:("Column I", "Column II"),("(Green House Gases)", "(Conc. in 200 A.D.)"),("A. CO"_(2), "1. 282ppt"),("B. CH"_(4), "2. 316 ppb"),("C. N"_(2)O, "3. 368 ppm"), ("D. CFC + HFC", "4. 1750 ppb"):}
Answer» A-3, B-4, C-2, D-1 A-4, B-3, C-2, D-1 A-2, B-3, C-4, D-1 A-1, B-4, C-2, D-3 Answer :A