When Tomas gave his speech, the heating system was not working correctly. Knowing that his audience felt hot and cranky, Tomas began his speech by saying, "I know we are all very uncomfortable from the temperature. But I want you all to close your eyes and imagine the heat coming from the sun while you are lying in the sand listening to the waves at one of my favorite vacation spots, Siesta Key Beach in Sarasota, Florida!" The class became energized, and Tomas was able to keep his audience's attention. Why?

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.