Is it apprenticeship???:D
Is that a question or an answer... im confused?!?!
Visible outline.
hope this helps
Answer:
The answer is D
Explanation:
file association associates a file with an application capable of opening that file. More commonly, a file association associates a class of files with a corresponding application.
Crowdsourcing is used by mobile application that allows users to report the location of a pet that appears to be lost.
<h3>What is a mobile application?</h3>
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.
Learn more about mobile application from
brainly.com/question/9477543
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