The more of this there is, the less you see. What is it?

What jumps when it walks and sits when it stands?

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

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

There is a five-letter word which has 3 consonants(all are same) and 2 different vowels.
Also, something wrong is associated with the word.

Can you name it?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

While going to your grandmother's house, you counted Twenty houses on the right side. While returning back to your home, you counted Twenty houses on the left side.

How many houses are there between your home and your grandmother's home?