10.What is the age of the seawater found at north Atlantic Ocean by △C14 method?
(A) ~1,500 years,
(B) ~37,000 years,
(C) ~3,700 years,
(D) ~400 years,
(E) ~1.5 x 104years

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統計： A(0), B(0), C(2), D(1), E(0) #2788458