What does this rebus puzzle mean?

Andrew sees a very rare bird named "Ruppell's vulture". Soon Andrew was dead. Can you explain the mystery, Mr. Sherlock?

If a boy blows 18 bubbles,
Then pops 6 eats 7 and then
He pops 5 and blows 1.
How many are left?

What can go up a chimney down, but can’t go down a chimney up?

Given below is simple addition with a defined pattern pattern:
7 + 7 = 2
8 + 8 = 4
8 + 5 = 1
6 + 9 = 3
10 + 11 = 9

Can you analyze the pattern and find out the answer for:

4 + 9 = ?

I have a mouth but I don't eat.
I have a bank but have no money.
I have a bed but i dont sleep.
I wave but have no hands.

Who Am I ?

Move three sticks of the spiral below to form a square.

How can you drop a raw egg from a height onto a concrete floor without cracking it?

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

What phrase is represented by the Rebus