The phrase "for more than 100 years" is an adverbial phrase that denotes a time and is therefore known also as a temporal adverbial phrase.
Another example of an adverb phrase would be:
"Before electricity", people had to use candles.
Before electricity is an adverbial phrase that shows when something occurred.
Answer:
I think it is C, a CD-ROM.
Explanation:
That is because a CD-ROM is just a literal CD. And out of all of these a CD is the only piece of technology you can listen to and play back.
Independent clause uses commas to separate independent clauses when they are joined by any of these seven coordinating conjunctions: and, but, for, or, nor, so, yet.
