Easy Riddles and Answers

Question: I can be thin but not fat, In your body but never on your placemat.I'm always better when I'm fresh,but you'll never see me in the flesh.What am I?

Question: What word doesn't belong in this group? That, hat, what, mat, cat, sat, pat, or chat?

Question: The more of me you have, the longer your life.
The more of me you have, the less you have left.

What am I?

Question: Light hides me and darkness kills me.

What am I?

Question: A claustrophobic person gets on a train. The train enters a tunnel just as it is leaving the station.

Where is the best place for him to sit?