According to the passage, why is the Lake Wales Ridge valuable?

Câu hỏi :

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questions.

A. It has ecosystems that have long remained unchanged.

B. It is less than ten miles wide. 

C. It was originally submerged in the ocean. 

D. It is located near the seashore.

* Đáp án

* Hướng dẫn giải

Đáp án : A

THông tin ở đoạn số 3: “….it has remained unsubmerged, its ecosystems essentially undisturbed, since the Miocene era.”

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