Which of the following is the correct definition for the prefix "inter" as used in words like "interstate" or "international?

"Similarly" is used to indicate that something is done in a similar manner or order to what was just mentioned, which implies a sequence or continuation of ideas.

Similarly is a transitional expression that is used to show sequence.

A. Physics is a difficult subject to learn.

In this sentence, "Physics" (singular) is paired with the singular verb "is." This is a correct subject-verb agreement.

The other options have issues with subject-verb agreement:

B. "News travel fast" should be "News travels fast."

C. "The study of various sciences are compelling" should be "The study of various sciences is compelling."

D. "Measles usually spread through respiratory fluid" should be "Measles usually spreads through respiratory fluid."

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

“clown" is the object of the preposition in the sentence. The preposition "at" shows the relationship between "Martha" and "the clown," indicating that "the clown" is the object of Martha's laughter.

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

In this sentence, "slow" is used correctly to describe the student's writing speed, while "slowly" is an adverb describing how the student wrote.

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

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.