Can you find the missing piece of the Porsche?

Do You See It?

I know a nine-letter word having only one vowel.
Do you ?

What has one letter and starts with an E?

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

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

What month of the year has 28 days?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.

How many minimum links will you have to cut to make the big chain?

Which is the correct shadow of the bird?