Answer:
I row quickly with four oars, but never come out from under my own roof. What am I?
I hide in a dark tunnel awaiting my time. I can only be released by pulling back. Once released I may do unstoppable damage.
What is seen in the middle of March and April that cannot be seen at the beginning or end of either month?
I move without wings Between silken string I leave as you find My substance behind.
If you're looking for something sweet I know what to do. But if you don't like heat I'm not for you.
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.