Read the sentence.The peripheral nervous system—which is a network of nerves extending from your brain and spinal cord to all parts of your body carries signals back and forth.Which revision of the sentence is now properly punctuated?
A correct punctuation of that sentence would beThe peripheral nervous system - which is a network of nerves extending from your brain and spinal cord to all parts of your body - carries signals back and forth.In adding the dash at the end of the add-on, since there was a dash at the beginning, it makes it correct
