I have teeth but i don't bite. Who Am I ?

What does the below rebus puzzle mean?

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

In the given picture, in how many ways can you read the word "Tiger"?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

The doctor advised his patient to take a tablet after every fifteen minutes. He gave him five tablets in total.

How much time will he take to have all the five tablets?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

Why do people go to bed?

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

I can turn polar bears white.
I can make anyone dance.
I can make everyone cry
I can make your hands clap
I can make you thin.
I can make you smile.
I can make you smile

Can you guess the riddle?