Final answer:
The word 'document' is used as a verb to describe how the research paper was supported with scientific sources.
Step-by-step explanation:
The word document in the sentence 'My research paper on osmosis was documented with scientific sources from around the world.' is used as a verb.
In this context, 'documented' means that the research paper was supported or backed up with scientific sources from around the world. It indicates that the sources were used to provide evidence and credibility to the research paper.
Some synonyms for 'documented' in this sentence could be 'recorded', 'verified', or 'authenticated'.
Learn more about Use of the word 'document' in a sentence