question_answer 43)

  While eating peach or pear it is usually seen that some stone like structures get entangled in the teeth, what are these stone like structures called?

Answer:

                  Distinguish between softwood and hardwood is as

Softwood	Hardwood
Gymnospermic wood is soft wood	Angiospermic wood is hard wood
It chiefly contains trachieds	It chiefly contain both trachieds and vessels
Vessels are absent.	Trachieds are absent.