1.

A cut trunk shows 26 concentric rings of spring wood and autum wood in alternate rows. The age of trunk would beA. 13 yearB. 26 yearsC. 52 yearsD. 104 years

Answer» Correct Answer - A
A cut trunk shows 26 concentirc rings of springs wood and autumn wood in alternate rows. The age of tunk would be 13 year( 1 year = 1 spring + 1 autumn ring )


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