Which sentence is punctuated correctly? Our class is learning, about plant cells and Reza’s class, is learning about animal cells. Our class, is learning about plant cells and Reza’s class, is learning about animal cells. Our class is learning about plant cells and Reza’s class is learning about animal cells. Our class is learning about plant cells, and Reza’s class is learning about animal cells.

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The answer to this is: Question: Which sentence is punctuated correctly?

Options:

 Our class is learning, about plant cells and Reza’s class, is learning about animal cells. Our class, is learning about plant cells and Reza’s class, is learning about animal cells. Our class is learning about plant cells and Reza’s class is learning about animal cells.   Our class is learning about plant cells, and Reza’s class is learning about animal cells.                                                                                                     The correct answer is:                                                                    Our class is learning about plant cells, and Reza's class is learning about animal cells. When a conjunction joins two independent clauses, a comma is needed before the conjunction. In the answer chosen, we can observe that it uses a comma before the conjunction ''and,'' which is linking two independent clauses. This is the correct form to use the comma.  

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