1.

Match the correct set._ans_key_Column I Column II_ans_key_I. Fossil A. 345-405 million years ago_ans_key_II. Devonian period B. Fossillium_ans_key_III. Cambrian period C. 425-500 million years ago_ans_key_IV. Ordovician period D. 500-600 million years ago

A. I – B, II – A, III – D, IV – C
B. I – A, II – B, III – C, IV – D
C. I – B, II – C, III – D, IV – A
D. I – B, II – D, III – C, IV – A
Answer» B. I – A, II – B, III – C, IV – D


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