what does the below rebus means?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

There are 3 apples in the basket and you take away 2. How many apples do you have now?

I was born in a small house and I live in it all alone. No windows and no doors have been assigned to my house. The only way I can go out is by breaking through the walls of my house.

Who am I?

I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

Something Extraordinary happened on May 6th 19778 at 12:34am what was that?

Spot 5 differences in two Christmas tree below:

I make two people out of one. What am I?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?