And Question 4 I love you whoever help me.

Which of the following refers to treating all patients or first aid victims as a potential source of bloodborne pathogens by taking all precautions to prevent contamination?

Which of the following is not a feature of the surface mining control and reclamation act? regulation of surface coal mines repayment of loss of benefits to ill mine workers restoration of lands to pre-mining conditions retroactivity return of land to original topography

This is an ap world history question. i am working on a worksheet which has a vent diagram with each circle labeled either us or byzantine economy. the middle is the similarities. can someone explain to me the similarities and especially the differences between the two?