Help needed ASAP will give you brainliest and 5 STARS RATE
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the third one, if you add the comma without the when then you would have a comma splice (when you put a comma between 2 independent clauses without a conjunction) adding the when before Cynthia makes the first part a dependent variable and makes it okay to add the comma!
Hope this helps! :)
Answer:
The second one! Cynthia got a new fish, she named it Nemo.
Explanation:
Hope this helps :))