A system is being developed to help pet owners locate lost pets. Which of the following best describes a system that uses crowdsourcing?

A mobile application and collar that uses GPS technology to determine the pet’s location and transmits the location when the owner refreshes the application

A mobile application and collar that uses wireless technology to determine whether the pet is within 100 feet of the owner's phone and transmits a message to the owner when the pet is nearby

A mobile application that allows users to report the location of a pet that appears to be lost and upload a photo that is made available to other users of the application

A mobile application that transmits a message to all users any time a lost pet is returned to its owner

A mobile application is known to be a kind of computer app or program that has been made to handle or run itself on a mobile device e.g. phone, etc.

Conclusively, the option that best describes a system that uses crowdsourcing is the mobile application that allows users to report the location of a pet that appears to be lost and upload a photo that is made available to other users of the application and thus everyone can help to look for it.

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