+0
Is the following punctuated correctly?

Ramon and Sal met on the library steps after school. Sal asked Ramon if he had finished his research on communication.
"I'm only half done," sighed Ramon, "because there's so much to fin out. Did you know there are almost 4,000 languages spoken today?" He added, "About 845 of those are spoken in India."
Sal broke in, "I know that Chinese is the most common language and is spoken by more than a billion people."
"Right," said Ramon, "So what else did you find out?"
Sal told his friend that several African languages use clicks for some of the osunds. Sal also said that, "Canary Islands people use whisles to communicate with their neighbors."
+0
Generally, it is punctuated correctly. But you should indent each new paragraph.

<indent>Ramon and Sal met on the library steps after school. Sal asked Ramon if he had finished his research on communication.
<indent>"I'm only half done," sighed Ramon, "because there's so much to find out. Did you know there are almost 4,000 languages spoken today?" He added, "About 845 of those are spoken in India."
<indent>Sal broke in, "I know that Chinese is the most common language and is spoken by more than a billion people."
<indent>"Right," said Ramon,<period here, not comma> "So what else did you find out?"
<indent>Sal told his friend that several African languages use clicks for some of the osunds<sounds>. Sal also said that <delete "that" unless you are making this an indirect quotation>, "Canary Islands people use whistles to communicate with their neighbors."