A relic is something that you might find ?

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?

The belmont principle of beneficence requires that: a. subjects derive individual benefit from study participation.b. potential benefits justify the risks of harm.c. the study makes a significant contribution to generalizable knowledge.d. risks are managed so that they are no > minimal.