Answer:
I am an object which is used in baseball. During the day I can't be seen at all. What am I?
What gets sharper the more you use it?
I shave several times a day, yet I still have a beard. What am I?
I wear a green jacket on the outside white jacket as a second layer and red jacket inside. I am pregnant with a lot of babies. (one word)
What kind of table can you eat?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.