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Assertion (A) : The thickness of sap wood does not increase
Reason(R) : Sap wood constantly becomes into heartwood

A. Both A, R are true, R is the correct explanation of A

B. Both A and R are true but R is not the correct explanation of A

C. A is true, R is false

D. A is false, R is true

E. None of the above

View Answer

Correct choice: A

Explanation:

none

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