Answer:
Weight in my belly, trees on my back, nails in my ribs, feet I do lack. What am I?
I reach for the sky but clutch to the ground. Sometimes I leave but I am always around.
I am a seven letter word. I am very heavy. Take away two letters from me and you will get eight. Take away one letter from me and you will get 80. What word am I?
What has a ring but no finger?
I am a portal to another world which you cannot enter. Only you can see me but I can't see 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.