If you say my name, I will no longer exist. What am I?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

Can you solve this picture maths equation?

Twice ten are six of us,

Six are but three of us,

Nine are but four of us;

What can we possibly be?

Would you know more of us?

Twelve are but six of us,

Five are but four, do you see?

What are we?

What you cannot hold but it is yours?

You throw me out when you want to use me and you take me in when you don't want to use me.

Who Am I?

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

This is a most unusual paragraph. How quickly can you find out what is so unusual about it? It looks so ordinary, you'd think nothing was wrong with it. Actually, nothing IS wrong with it. But it is not as ordinary as you might think. If you think about it for a bit, you will find out why it is truly so unusual. So what is it? What is so unordinary about this paragraph?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?