Why does jack become angry when ralph shows he is worried with piggy?

In the following sentence identify the words of the subordinate clause and name its type. we believe that christianity is the key to a better world.

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?

Study the graph and then complete the analysis of the data by filling in the missing information.