Answer:
I am what bring things together. Without me everything you see would be a total mass or debris everywhere.
In Paris but not in France the thinnest of its siblings.
I have a strong affection for belly buttons.
I run through hills. I veer around mountains. I leap over rivers. And crawl through the forests. Step out your door to find me.
Open me, and you can't see me without a mirror. Close me and you can't see me at all. What am I?
A little house full of meat, no door to go in and eat.
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic