Catalog UI Policies may be applied to _____________. (Choose two.)

The administrator of Universal Containers is testing an approval process in a recently refreshed Developer Pro sandbox and is finding that none of the notification emails are being sent to the approvers.
Which two reasons could be the cause? (Choose two.)

What is the purpose of the "Send to event creator" check box in the notification form?

An org has a requirement that an Account must always have one and only one Contact listed as Primary. So selecting one Contact will de-select any others. The client wants a checkbox on the Contact called "Is Primary" to control this feature. The client also wants to ensure that the last name of every Contact is stored entirely in uppercase characters.
What is the optimal way to implement these requirements?

Which of the following are valid states for Emergency Change requests? (Choose all that apply.)