

MCQOPTIONS
Saved Bookmarks
1. |
_CFC (chloro fluoro carbon) is very highly reactive in causing depletion of ozone layer in the atmosphere. Each atom of chlorine liberated from CFC is capable of decomposing __________ molecules of ozones.$? |
A. | 10² |
B. | 10⁵ |
C. | 10‚Åπ |
D. | 10¹⁵ |
Answer» C. 10‚Äö√ÖœÄ | |