Riddle #146

I am first in Earth, second in Heaven, I appear two times in a week. You can only see me once in a year, although I'm in the middle of sea. Who am I?

There are ten people in a house. Everybody wants to make a hand shake with only people shorter than themselves. Assume everybody is different in height. How many hand shakes are made?

I am the building with number stories. Find me who am I?

A boy fell off a 30 meter ladder but did not get hurt. Why not?

If you had one match and entered a room in which there were a kerosene lamp, an oil burner, and a wood burning stove, which would you light first?

Some days you think i'm pretty, but some days you think i'm ugly. Some days you'll love me, but some days you'll hate me. If you think i'm not good enough, you might get rid of me. Who am I?

Slayer of regrets, old and new, sought by many, found by few. What am I?

When I look at her, she smiles at me. When I wink at her, she winks at me. When I kiss her, she kisses me back. When I say I love you, she says it back. Who am I?

Once there was a night watchman who had been caught several times sleeping on the job. The boss issued the final warning. On the next night he was caught with his head on his hand and his elbows on the desk. "Aha, I've caught you again," exclaimed the boss. The watchman's eyes popped open immediately and he knew what had happened. Being a quick thinking man, he said one word before looking up at the boss. The boss apologized profusely and went home. What was the one word?

A father's child, a mother's child, yet no one's son. Who am I?

I soar without wings, I see without eyes. I've traveled the universe to and fro. I've conquered the world, yet I've never been anywhere but home. Who am I?