Reporting Concerning Content on Social Media Platforms

How to make a report on the following social media platforms:

Facebook https://www.facebook.com/help/212722115425932?helpref=related

Instagram https://help.instagram.com/contact/383679321740945?helpref=faq_content

LinkedIn https://www.linkedin.com/help/linkedin/answer/37822?src=li-other&veh=www.linkedin.com%7Cli-other

Snap Chat https://support.snapchat.com/en-US/a/report-abuse-in-app

Tumblr https://tumblr.zendesk.com/hc/en-us/articles/226270628-Reporting-offensive-content

Twitter https://help.twitter.com/en/rules-and-policies/twitter-report-violation

We Chat https://help.wechat.com/cgibin/micromsgbin/oshelpcenter?opcode=2&id=120813euejvf141023meeiza&lang=en&plat=3&Channel=helpcenter

WhatsApp https://faq.whatsapp.com/21197244/

You Tube https://support.google.com/youtube/answer/2802027?co=GENIE.Platform%3D