Rearrange the letters in "new door" to make one word.

Can you name an animal whose killing cannot be performed without spilling your own blood?

A clock loses 10 minutes each hour. If the clock is set correctly at noon, what time is it when it reads 3 PM?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

I’m orange, I wear a green hat and I sound like a parrot. What am I?

I am beautiful, up in the sky. I am magical, yet I cannot fly. To people I bring luck, and to some people, riches. The boy at my end does whatever he wishes. What am I?

A mules travels the same distance daily.
I noticed that two of his legs travels 10km and the remaining two travels 12km.
Obviously two mules legs cannot be a 2km ahead of the other 2.

The mules is perfectly normal. So how come this be true ?

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?

I am quite hot but become too cold if you remove the first two letters. What am I?

If an electric train is travelling south, then which way is the smoke going?