D. Go up with 52. First, we need which animal gr - Dicamon

Question

D. Go up with 52. First, we need   which animal group is receiving what is concentration. A. To figure out B. Figuring out C. To be figured out D. Being figured

Answer

1. "First, we need to figure out which animal group is receiving what concentration."  "First, we need to figure out" → Câu này diễn tả bước đầu tiên trong một quá trình.  "which

Answer

First, we need   which animal group is receiving what is concentration. (A) To figure out B. Figuring out C. To be figured out D. Being figured out I imagine we   change the study

giải thích câu 52 và 53