Answer:
The Titanic is still here.
I plow and plow but never sow.
What do you get when you cross a cow with a trampoline?
Of the king I am blue and of the peasant I am red. Of the frog I am cold and of the dog I am hot instead. What am I?
You can never eat me for breakfast or lunch. What am I?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.