What is the organizational structure of this text? How did quokkas become popular? Thanks to that never-ending smile, quokkas are extemely photogenic—so much so, that they became known on a worldwide scale after a man posted a "quokka selfie" with the smiling, furry critter that went viral. As a result, #QuokkaSelfie is trending! You can also get in on the act by taking photos with the resident joyful animal of Rottnest Island, Western Australia.

A.
problem and solution

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cause and effect

C.
description

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chronological