9. the main reason that family and friends are frequent targets of aggression is that a. they're convenient. b. as obstacles, they're unremovable. c. frustration-producing obstacles are often unclear. d. they cause the most frustration.

Why would you want to know early on if a deadly disease runs in your family? knowing early will eliminate the disease knowing early will let you better manage stress knowing early can you prevent the disease knowing early can remind you that life is short