25 POINTS When search engines republish content, it refers to .

a passive digital footprint

a leaking data exhaust

an active digital footprint

an active data exhaust

A passive digital footprint(i think)

Explanation:

Passive digital footprint - Websites that install cookies on your devices, apps and websites that use your geolocation, and social media that uses your likes, shares and comments to profiles

leaking data exhaust - the data generated as trails or information byproducts resulting from all digital or online activities.

An active digital footprint - where the user has deliberately shared information about themselves either by using social media sites

Active day exhaust - the trail of data left by the activities of an Internet or other computer 

answerthe reference of the object;