Choose A, B, C, or D that best completes eac...
Câu hỏi: Choose A, B, C, or D that best completes each sentence. The low _______ in the Mekong Delta leads to acute saline intrusion much deeper than the traditional 30 to 40km of mainland that is contaminated with saltwater.
A. water currents
B. sea level
C. water level
D. salt water
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Kiểm Tra - Unit 6 !!