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Câu hỏi:
Lake Vostok is potentially important to scientists because it.................
- A. can be studied using radio waves
- B. may contain uncontaminated microbes
- C. may have elevated levels of ultraviolet light
- D. has already been contaminated
Lời giải tham khảo:
Đáp án đúng: B
Dẫn chứng: The discovery of such a huge freshwater lake trapped under Antarctica is of interest to the scientific community because of the potential that the lake contains ancient microbes that have survived for thousands upon thousands of years, unaffected by factors such as nuclear fallout and elevated ultraviolet light that have affected organisms in more exposed areas.
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