Answer:
I tremble at each breath of air, and yet can heaviest burdens bear. What am I?
You hear me speak, for I have a hard tongue. But I cannot breathe, for I have not a lung. What am I?
I am the minerals vital for your good health.
What goes into the water black and comes out red?
You throw away my outside, you cook my inside. Then you eat my outside and you throw away my inside. What am I?
What never gets any wetter no matter how hard it rains?