Answer:
It comes only before, it comes only after. Rises only in darkness, but rises only in light. It is always the same, but is yet always different.
A prehistoric reptile that lives today and the inspiration for the name of a popular sports drink.
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.
Big as a saucepan, deep as a cup, Even a river can't fill it up. What is it
What must you give before you can keep it?
Sometimes I am white, sometimes I am dark. Most people love me. What am I?