What biological effect does el nino have on the fisheries in peru?.

Rank the following from most to least devasting: ordovician,permaian,cretaceous, pleistocene

Ialready know the answer to this question but i wanted to ask you guys to see if you know. who started the okinawan karate style ryukyu kempo? when year was it found?

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.