Hazel got a puppy. she knows that puppies are animals. her next-door neighbor has a cat. hazel’s mother tells her that both puppies and cats are animals. as a result, hazel changes her scheme of animals to include cats. changing a scheme to incorporate new information is called

Before they can be published, scientific papers must be peer-reviewed. this means that: a) some other scientific experts read the papers and guarantee that they are true.b) some other scientific experts read the papers and provide quality control by eliminating many mistakes.c) an editor reads the papers, to make sure that all the semicolons are in the correct places.d) everyone in the world is given the opportunity to comment on the papers through a specially maintainedblog.e) government bureaucrats read the papers, to be sure that the papers do not insult the political positions ofthe current officeholders.