How is a primary source different from a secondary source?

Group of answer choices

A primary source is any source created after the event, while a secondary source occurs at the time of the event.

A primary source is created by someone who witnessed the event, while a secondary source is created by someone who did not witness the event.

A primary source is always a physical object, like an artifact, while a secondary source is always written or spoken.

A primary source is a summary or review of an event, while a secondary source is a direct account or original record of the event.