Apsychology professor offers extra credit in a course if students volunteer to participate in his study. there is no opportunity for students who do not volunteer for this particular study to earn the extra credit. is this ethical or unethical?

a. ethical
b. unethical

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.