Answer:
Without a bridle or a saddle across a thing I ride a-straddle. And those I ride by help of me though almost blind are made to see.
You can drop me from the tallest building and I’ll be fine, but if you drop me in water I die. What am I?
I am a busy worker who is a water mammal.
You seek me out when your hunger's ripe. I sit on four legs and smoke a pipe.
I belong to everyone. Sometimes make you happy, sometimes make you sad. I will never end until the day you do. What am I?
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.