Pam and roger went skiing on sunday morning, and they enjoyed their time. on monday, they went skiing again. this time, they fell down several times. roger injured himself and was unable to continue. after monday, pam and roger would most likely want to

ski again on wednesday and thursday

stop skiing, and find something else to do

contact the ski patrol for

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.