Which of the following prefixes implies duplication when attached to a root word?

The word "biblio" refers to books, and "phile" means someone who has a fondness or love for something. Therefore, a "bibliophile" is someone who loves books.

A topic sentence should encapsulate the main idea or point of the paragraph, giving the reader a clear understanding of what to expect in that paragraph.

B is punctuated correctly because it uses the comma correctly to separate the introductory clause from the main clause.

Proofreading involves looking for and correcting spelling errors in a text.

Presents a factual claim about a significant health risk and should be supported by a credible source.

The prefix "sub-" means "under," and "terranean" refers to the earth or ground, so "subterranean" means located or occurring underground.

This sentence has a subject ("Walking away") and a predicate ("was Deepak’s response"), forming a complete thought. The other options are fragments that do not convey a full idea on their own.

The subject is "Taylor" because it is the noun that the sentence is about.

The prefix that implies duplication when attached to a root word is "re-." For example, "redo" means to do again, indicating duplication of the action.

The prefix "Post-" signifies something that comes after or follows in a sequence.