Statement-1 : The heart wood is more durable and resistant to the attack of the micro orgganims and insects as compared ot the sap wood. Statement-2: The heart wood contain organic compounds like oils , aromatic substance , gums, resin, tannins and phenol etc.
Statement-1 : The heart wood is more durable and resistant to the attack of the micro orgganims and
Statement-1 : The heart wood is more durable and resistant to the attack of the micro orgganims and insects as compared ot the sap wood. Statement-2: The heart wood contain organic compounds like oils , aromatic substance , gums, resin, tannins and phenol etc.
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