How does the rate a blog, and marking/marked answers as helpful work?

gr8awsomness

    I've been wondering for awhile now about how the mission steps work. For example: Marking and getting answers correct along with rating blogs work. I don't really know how to complete some of the missions and contribute to the community, because of this. I would really like an detail explanation on it if that's okay.

     

    Thank you.

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