Answer:
vvv
Step-by-step explanation:
Pros
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-If people disagree with your opinion, you won't get any backlash from it as they won't know who you are.
-you can say your opinion without feeling ashamed of it, or feeling like other people are judging you, as they can't as they don't know who you are.
Cons
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- People are likely to use your anonymity to undermine your opinion.
Sorry, cant think of any more, hope this helps
:)