Answer:
I am an object which is used in baseball. During the day I can't be seen at all. What am I?
I am commonly abbreviated to H
I come without being fetched at night hides away as soon as daylight strikes. Although I may look small I am much mightier than what you can imagine.
They come at night without being called and are lost in the day without being stolen. What are they?
Goes over all the hills and hollows, Bites hard, but never swallows.
What language does a billboard speak?