1. Which of the following statements is/are true? a. There is little evidence that seat belts save lives and reduce injuries in crashes b. While only a small percent of vehicle occupants do not wear safety-belts, these occupants account for about half of vehicle occupant fatalities c. Most Americans do not wear safety belts d. Both a. & c. 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.