The part of his quote that posed the most threat would be when he said the "unknown unknowns". This posed a significant threat to decision making models.
Answer: c. This is not plagiarism
Explanation: Plagiarism is the act of using someone else's words or ideas as though they were yours. When using someone else's words or idea, put them in quotation to show that you are only borrowing the statement from another person. Also the source should be acknowledge. In this case, the student quoted DBR and the statement was in quotation to show that it wasn't his own words or idea, that is not plagiarism.
Farming lead to new types of economic activities through a steady food supply and that the food surplus meant that not all people have to farm. this also resulted that some people become expert and skilled in the production of the goods.
