Best riddles for teens

I live in lakes and rivers. I eat fish and birds. I have four legs and a long tail. I have lots of pretty teeth. I am a...

I am a white box having no key or any lid. Yet there is a golden treasure inside it. What Am I ?

What do you call a bee come from America?

I am the building with number stories. Find me who am I?

What goes in dry and hard, but comes out wet and soft?

You can break me easily without even touching me or seeing me. What am I?

What do you call an asian vegatable?

You are in a cabin and it is pitch black. You have one match on you. Which do you light first, the newspaper, the lamp, the candle, or the fire?

I have no legs. I will never walk, but always run. What am I?

Four children and their pet dog were walking under a small umbrella. But none of them became wet. How?