WE ARE TALKING ABOUT THE PRESERVATION OF ... RESOURCES...

9 . - BAI KIEM TRA 1 TIET ANH 7 9 . - BAI KIEM TRA 1 TIET ANH 7
BAI KIEM TRA 1 TIET ANH 7
9 . We are talking about the preservation of ... resources . A . naturally B . nature C . natural D . naturalize .