Questions About Accounting

Since admin #2 did the honor of asking minor questions, it was considered by hssts50414 that the action was acceptable.
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(1) What is accounting?
(2) Is it just calculating the relationship between income and outcome plus taxes? Or much more?
(3) Is anybody here taking the Accounting class? What did you learn?

Thank you very much

Question: What is Genocide

The teacher wants us to research on the word "Genocide". Any one that can explain specifically the meaning will be greatly appreciated.