Two logistics students, Mark and Sarah, are discussing hazardous material handling. Mark says that placards are signs placed on the outside of a vehicle or container to warn that a hazmat is inside. Sarah says that placards must be placed away from other markings or labels. Which student – Mark or Sarah – is correct?

Congress is controlled by the democrats. president yaeger, a republican, takes several actions that are opposed by the democrats in congress. first, the president introduces a new budget that cuts most of the government's social programs and gives tax breaks to the wealthy. next, president yaeger negotiates a trade treaty with a nation accused of human rights abuses. then, the president gives pardons to three republican senators who have been convicted of crimes.