How much wood did a wood chuck till a woodchucker can't chuck wood P. s. Sorry about this question

A(n) __ clause should always be separated from the rest of the sentence by commas

The ancient greek poet. homer, is credited with writing the odyssey. however, scholars still debate whether homer wrote the entire epic. what is the main reason for this uncertainty? o some sections of the epic are written in different poetic styles and forms. most ancient greeks could not read or write, so the epic was first written in latin ob och storytellers repeated the epic aloud for centuries before it was ever written down. od the epic was a fictional account, so the identity of its author may have been fictionalized as well.

Which of these can an adverbial clause modify?