we often hear the news of the quarrels between a nurse and a sick attendant in hospital if you have seen or heard what was the cause how world you have solved the problem​

answer; the population in brazil is very diverse there are many races and ethnic groups

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.

i think the answer is true : ))

answer; protectionism fosters competition and keeps price regulated;