Flaming & Trolling
Flaming is basically when someone sends or posts a hostile message that will spark an argument on social media.
Trolling is when someone will post false information about something people want to see. For example, when someone said the iPhone charges in the micro wave when really it didn't. This person is basically creating un true rumors available to anyone.
How to prevent this
To prevent flaming you can just ignore the messages or block the user that posted. To prevent trolling you can research the topic to see if it is true or a lie.
Flaming and trolling are both bad or untrue messages available to one person or everyone. You can avoid these by ignoring random messages or blocking them. You can also make sure that some message is legit by researching it before you believe it.