Which of the following would be the most effective evidence? a) the author's thoughts and concerns Ob) an ethicallyompelling argument c) a summary of the public's opinions Od) the results ofa scientific study

B: an ethically compelling argument

Explanation: When you hear an argument, all you think of is: "They're babbling on about stupid things", but you can learn a lot from arguments. Each side of the argument proposes facts and evidence as to why their correct, and why the other side of the argument is not. You get to hear both sides of the argument and all of their reasons before you make a decision.

1. All useful resources are limited in their supply

3. the wants and needs of people are unlimited

4. resources are scarce, which explains why we are willing to pay for them

6. because of scarcity, individuals must make choices

Explanation: