Dani was walking home with her parents and noticed an elderly person struggling to open a door. Dani decided to open the door for the person, because she knew her parents would praise her behavior. Dani's behavior is an example of: Aggression Altruism Cooperation None of the above

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.