Can revision make your essay worse?

Yes and no. Revision is another chance for you making your essay better. But it is possible to go worst on revision. The revision process, you improve your reading skills and your analytical skills. You learn to challenge your own ideas, thus deepening and strengthening your argument. Can also  learn to find the weaknesses in your writing. Most of the times, revision makes your essay better.

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- the mistakes that have been done in the past will repeat themselves

- you will trust all the wrong people