

MCQOPTIONS
Saved Bookmarks
1. |
EPA‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬•S_COLLECTING_OF_THE_PUBLIC_TSCA_INVENTORY_INFORMATION_IS_UPDATED______A_YEAR.?$# |
A. | Once |
B. | Twice |
C. | Thrice |
D. | Four times |
Answer» C. Thrice | |