What Adam and Eve do not have but the rest of the people have?

I have four wings but can't fly.
I express no emotions.
I am found on the exact spot every time you look.
I keep toiling away with a little sound.

Do you know what am I?

In the Chess Board picture below white army is arranged. You need to add a black army on the board such that no piece is under any threat.
Note: Army comprised of 1 king, 1 queen, 2 rooks, 2 bishops, 2 knights, and 8 pawns.

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

Which English verb becomes past tense just by rearranging the letters?

Without looking at a calendar, within a minute name, a boy's name using 5 consecutive 1st letters of 5 consecutive months

No one wants to have it, but if one got it, he does not want to lose it. What is It?

I welcome the day with a show of light, I stealthily came here in the night. I bathe the earthy stuff at dawn, But by noon, alas! I'm gone.