

MCQOPTIONS
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1. |
What is correct for the region labeled as a,b,c and d? |
A. | a- CO2 60% ,b- CH4 20% , c- CFC 14% ,d-N2O 6% |
B. | a- CFC60% ,b- CH4 20% , c- CO2 14% ,d-N2O 6% |
C. | a- CFC60% ,b- CO2 20% , c- CH4 14% ,d-N2O 6% |
D. | a- CFC60% ,b- CH4 20% , c- N2O 14% ,d- CO2 6% |
Answer» B. | |