Answer:
It establishes the rhythm of a duet to echo the song
Explanation:
It would better improve the paragraph because it has nothin to do with the rest of the paragraph. The paragraph seems to be about team sports and promoting it, while sentence 3 is about individual sports are better then team sports. So removing sentence three would better promote CO-ED team sports.
The subject would be "A gorilla family", the predicate would be "ate all of the nuts and berries", and "ate" would be the verb.
