Vùng nào sau đây ít xảy ra động đất nhất?
Đáp án đúng là: B. Nam Bộ.
Giải thích:
Nam Bộ là vùng có nền địa chất ổn định nhất, ít chịu ảnh hưởng của các hoạt động kiến tạo nên ít xảy ra động đất.
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