Official 27 Lec 2
Question 3 of 6
Why does the professor discuss the growth cycle of trees?

A.

To clarify how modern violin makes select wood.

B.

To highlight a similarity between vintage and modern violins.

C.

To explain why tropical wood cannot be used to make violins.

D.

To explain what causes variations in density in a piece of wood.

正确答案:D

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