Paper is made of wood pulp. Many older American and European books were written on parchment, which was made of prepared animal skins. Modern parchment is used for baking and is made of wood pulp treated with acid instead of animal skin.
The Language Level symbol shows a user's proficiency in the languages they're interested in. Setting your Language Level helps other users provide you with answers that aren't too complex or too simple.
Has difficulty understanding even short answers in this language.
Can ask simple questions and can understand simple answers.
Can ask all types of general questions and can understand longer answers.
Can understand long, complex answers.
This answer was given within 60 minutes of the question being posted.
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