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Question

Match the columns.
Column IColumn II
I.  Fossil A.  345 - 405 millions years ago
II.  Devonian periodB.  Carbon dating
III.  Cambrian periodC.  425 - 500 million years ago
IV.  Ordovician period D.  500 - 600 million years ago


A
I- B, II- A, III- D, IV- C
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B
I- A, II- B, III- C, IV- D
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C
I- B, II- C, III- D, IV- A
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D
I- B, II- D, III- C, IV- A
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Solution

The correct option is A I- B, II- A, III- D, IV- C
Radiocarbon dating is a method of determining the age of an object containing organic material by using the properties of radiocarbon (14C), a radioactive isotope of carbon. It is mainly used to date fossils. 
The Devonian Period occurred from 416 million to 358 million years ago. It was the fourth period of the Paleozoic Era. 
The Cambrian is the first geological period of the Paleozoic Era, lasting from 500-600 million years ago and is succeeded by the Ordovician. Ordovician Period, in geologic time, the second period of the Paleozoic Era. It began 485.4 million years ago, following the Cambrian Period, and ended 443.4 million years ago. Thus, option A is correct.

Biology

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