The center of hemoglobin is made of which of the following?

calcium

magnesium

water

iron

You've been accused of cheating on a test. another student claims to have seen you copying answers from others. you know that you are innocent. last week, you met with the accusing student and your teacher to try to resolve the situation. the negotiation only created more resentment and confusion. which level of conflict resolution is most appropriate at this point in time? a. organize another negotiation with your teacher. b. refer the case to your school's peer mediator. c. contact the superintendent of your school district. d. switch schools so your safety is not compromised.