Why is a river so rich ?

what does this below rebus represent identXQQQQQME

Known by all without exception, Forever here, for your protection, Sometimes strong, sometimes weak, Right after the night I come - hot and chic. And while millions of miles away, I always get to you, I find my way. No life around could do without me, Can you guess what I might be?

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?

An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?

What English word has three consecutive double letters?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

What came first, the chicken or the egg?

There are forty elephants and they have forty-fore heads. How can this be possible?