Final answer:
An Administrator in a Marketo instance cannot change the Primary email address, but can change the Time Zone, Language, and Location.
Step-by-step explanation:
An Administrator in a Marketo instance does not have the ability to change the Primary email address. The Primary email address is associated with a user account and cannot be directly modified by an Administrator. However, an Administrator can assist in updating an email address by contacting Marketo Support.
The other options, Time Zone, Language, and Location, can be changed by an Administrator. These settings allow customization based on the user's preferences or geographical location.