What is a characteristic of a seminal document?

being written on brownish, older paper

being really obscure and only studied by the elite

being really well known in schools and/or places of worship

Science, Isaac Newton's breakthrough work

Being really well known in schools and/or places of worship.

Explanation:

Seminal works, sometimes called pivotal or landmark studies, are articles that initially presented an idea of great importance or influence within a particular discipline.