Which sentence is punctuated correctly? a. within minutes of hearing the news, we had raced home; sure enough, our friends had just arrived and were waiting for us. b. within minutes of hearing the news, we had raced home. sure enough, our friends had just arrived and were waiting for us. c. within minutes of hearing the news, we had raced home, sure enough, our friends had just arrived and were waiting for us. d. within minutes of hearing the news, we had raced home sure enough, our friends had just arrived and were waiting for us.

A. Within minutes of hearing the news, we had raced home; sure enough, our friends had just arrived and were waiting for us.

Explanation:

In B, you need to capitalize sure (the first word of a sentence).

In C, you need a semicolon after home because a semicolon is used in place of a period to separate two sentences where the conjunction has been left out.

In D, you can't join clauses without a conjunction and use a comma.

A is correct.

i guess the cause and effect would show how being around the smoke(the cause) can have negative effects on the body.

explanation:

what are the options?