Question

Which sentence is punctuated correctly? (1 point)

Scientists know that Earth has been impacted by large asteroids in the past
however what happens if a major asteroid hits Earth now?
O
Scientists know that Earth has been impacted by large asteroids in the past,
however what happens if a major asteroid hits Earth now?
Scientists know that Earth has been impacted by large asteroids in the past
however; what happens if a major asteroid hits Earth now?
Scientists know that Earth has been impacted by large asteroids in the past;
however, what happens if a major asteroid hits Earth now?

Answer 1

The sentence that is punctuated correctly is: 'Scientists know that Earth has been impacted by large asteroids in the past; however, what happens if a major asteroid hits Earth now?'. The correct punctuation includes a semicolon (;) and a comma (,) in the sentence.

Step-by-step explanation:

The sentence that is punctuated correctly is:

Scientists know that Earth has been impacted by large asteroids in the past; however, what happens if a major asteroid hits Earth now?

This sentence is punctuated correctly because it uses a semicolon (;) to separate the two independent clauses 'Scientists know that Earth has been impacted by large asteroids in the past' and 'however, what happens if a major asteroid hits Earth now?'. The word 'however' is also properly followed by a comma (,) to indicate a contrast or transition in the sentence.

Learn more about correct punctuation in a sentence