English - it's vs its

Today we look at possessive pronouns and at a very common mistake with the words "its" and "it's". Do you know the difference? Can you tell which of the following sentences are correct and which aren't?
It's two o'clock.
The cat has a collar around its neck.

The dog eat's its food.
The kid's think that its great.

The it's are alright

Show me your its!
Itsburgh / Pennsylvania

Everybody should work on there spelling!

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