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Câu hỏi:
How much can the Artic ground squirrel’s body temperature reduce to?
- A. Always as low as -3 degree Celsius
- B. Almost the same as their den’s temperature
- C. Always as low as 3 degree Celsius.
- D. Never lower than the polar bear’s temperature.
Lời giải tham khảo:
Đáp án đúng: B
Dẫn chứng: It generally hovers close to the air temperature in the animal’s den but can sometimes fall as low as 27 degrees Fahrenheit (minus 3 degrees Celcius) in Arctic ground squirrels, according to Kelly Drew, a neurochemist and professor with the Institute of Artic Biology at the University of Alaska Fairbanks.
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