Just to confirm, was your channel monetized earlier & now demonetized or is it the first time you've applied and were rejected? Also, can you send a screenshot of your channel's monetization page: https://goo.gl/ySjhEs ? Keep us posted.
Thanks for sharing the screenshot. This typically means that the content is not original/auto-generated. Here's more about reused content & how you can avoid them in future videos: https://goo.gl/Vnir3S . Note that you can make necessary changes & always re-apply in 30 days.
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