問題詳情

39.tHow does the Southern Ocean contribute to the Antarctic ecosystem?
(A)tIt is devoid of any marine life.
(B)tIt serves as a breeding ground for Arctic species.
(C)tIt harbors bedrock of the Antarctic food chain.
(D)tIt experiences rapid desertification.
(E)tIt is heavily polluted by industrial waste.

參考答案

答案：C

統計：A:0,B:2,C:2,D:0,E:0

難度：計算中