What happens when friends have to compete against each other for something that they both want? Explain!

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?

Which expression best estimates 11 1/5 divid

By comparing part 1 and 2 of polar opposites what does it mean by polar opposites