Postmodern societies are the oldest type of human society.

by using  production possibilities graph.  opportunity costs are key expenses in financial matters and are utilized as a part of registering money saving advantage investigation of a venture. such expenses, be that as it may, are not recorded in the record books but rather are perceived in basic leadership by processing the money costs and their subsequent benefit or misfortune.

answer; form new memories;

answer; all of the answers are correct;

answer; dr.black,who allows only certain individuals to mate;