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?

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.
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.
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.
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.

In tim o’brien’s chapter good form what does the narrator say is the happening truth

Read the passage from a vindication of the rights of woman. that the society is formed in the wisest manner, whose constitution is founded on the nature of man, strikes, in the abstract, every thinking being so forcibly, that it looks like presumption to endeavour to bring forward proofs; though proof must be brought, or the strong hold of prescription will never be forced by reason; yet to urge prescription as an argument to justify the depriving men (or women) of their natural rights, is one of the absurd sophisms which daily insult common sense. does wollstonecraft maintain an objective tone in the passage? yes, because she uses objective language such as “society is formed in the wisest manner.” yes, because she uses objective language such as “it looks like presumption to endeavor.” no, because she uses subjective language such as “though proof must be brought, or the strong hold.” no, because she uses subjective language such as “absurd sophisms which daily insult common sense.”

Dogs make wonderful pets because they keep us happy and healthy, the topic sentence is "dogs make wonderful pets". can someone me write a unrelated sentences to the topic and can be eliminated. need asap