Which of the following is an example of explicit memory?

Explicit memory refers to the type of memory that involves conscious recollection of information or experiences. This can include facts, events, and information that one can actively retrieve and articulate. The act of recalling the locations of the countries of Africa is a clear example of explicit memory because it requires active and conscious effort to remember and retrieve factual information about geography. This type of memory is typically assessed through tasks that ask individuals to recall or recognize information they have learned.

The other options illustrate different forms of memory that do not involve conscious recall. Unconscious habits refer to skills or routines that are performed automatically without the need for conscious thought, exemplifying implicit memory. Implicit learning relates to acquiring knowledge in a way that cannot be easily articulated, often without awareness, which is also a characteristic of implicit memory. Lastly, emotional responses to stimuli are often tied to classical conditioning and do not require the conscious retrieval characteristic of explicit memory.