Best short easy riddles for teens

I am a large cat, but I don't meow. I have a loud roar that can be heard from miles away. Who am I?

Bob's father has four children: Momo, Meme, and Mumu. Who is the fourth child?

I come in many colors and I'm often in a wrap. I am a dentist's trap. Children love to eat me, but they shouldn't have too many. What am I?

I am known as a king, and the jungle's where I reign. It is hard to tame me, and I have a large mane. Who am I?

I am sweet and tasty, sometimes hard or chewy. I wear a bright paper coat that is noisy and crinkly. Who am I?

You bury me when I am alive, and dig me up when I die. What am I?

Before Mt. Everest was discovered, what was the highest mountain in the world?

What is invisible and makes people suffer from symptoms like sweating and nausea, yet people can’t survive without it?

What has a tongue, cannot walk, but gets around a lot?

What has many keys but can't open any doors?