問題詳情
【題組】26 How did glacial meltdown affect the soil in North America?
(A)It redistributed the soil types
(B)It added salt to the soil
(C)It made the soil more neutral in content
(D)It added minerals to the soil
參考答案
答案：D
難度：非常困難0
統計：A(0),B(0),C(0),D(0),E(0)