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During secondary growth, amount of (a) H...

During secondary growth, amount of
(a) Heartwood increases
(b) Sapwood increases
(c) Sapwood decreases
(d) Sapwood remains almost constant.
Read the above statements and choose the option with correct statements.

A

Only (d)

B

(a) and (b)

C

(a) and (c)

D

(a) and (d)

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