I shoot but never kills. What am I?

What gets whiter the dirtier it gets?

What holds water yet is full of holes?

What do you serve that you cannot eat?

What is more useful when it is broken?

What has a mouth but can’t chew?

What makes my left hand, my right hand?

What has a head and a tail but no body?

What can be opened but cannot be closed?

What gets larger the more you take away?

What has no content, yet you can see it?

What is always coming but never arrives?

I grow up while growing down. What am I?

What is broken but right two times a day?

What has ten letters and starts with gas?