Easy simple riddles with simple answers

All about, but cannot be seen. Can be captured, but cannot be held. No throat, but can be heard. What is it?

What needs an answer but doesn’t ask a question?

I have four legs. I am a pet. I hate cats. I bark.

I am there when you are quiet. I am broken when you speak. Who am I?

What has four legs, but can't walk?

This is a piece of jewelry Most often worn by girls It's sometimes gold or silver And sometimes made of pearls What is it?

I hiss. I can be poisonous. I am long. I have a forked tongue. What am I?

You can see me in water, but I never get wet. What am I?

I have no life, but I can die, what am I?

What always comes into a house through the keyhole?