The usual incentive in business is?

Each main point should be noted in an outline as a roman numeral o a capital letter a number 1 any of the above none of the above

Read the passage: canines may not be the deepest thinkers in the world. but perhaps that's for the best. the life of a dog—sitting alone all day, waiting for everyone to come home—can be pretty boring. super-smart animals would probably get totally stressed out, says university of pennsylvania researcher james serpell. look at it this way: if dogs were any smarter, they probably wouldn't choose to hang around with us. which best describes the tone of the passage?

3. what differences do you see in the statistics between the two cities? what factors might account for the differences you see?