What has hands, but can’t clap?

I am green and found in the forest and have needles instead of leaves. What am I?
Hint 1: It can be used for Christmas decorations.
Hint 2: I have a strong, scent that is used in air fresheners.

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

It is a six-letter word.
The first four letters are me.
The second and last letters are the same.
The fourth second and last letter is payment.

Who is it?

I am a mother. However, I never give birth.

I am a father. However, I never nurse my children.

Wandering is not possible for me, but standing still happens occurs rarely.

Who am I?

What always comes into a house through the keyhole?

There are three houses in a straight row. One is red, one is blue, and one is white. The red house is left of the middle. The blue house is right of the middle. Where's the white house?

Can you find the key in the picture below?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?