The Intel socket that Intel recommends you use a liquid-cooling system on is the LGA2011.
In Microsoft Outlook, there are differences between appointment and event. Appointment is defined as <em>an activity that you schedule in your calendar which does not involve other people.</em> Appointments can be scheduled to a certain duration in a day. Event is defined as <em>an activity that you do with other people which lasts from 24 hours to longer. </em>
Thus, from these descriptions, the best answer to the question is (C) appointments have a start and end time of day, and events do not.