Answer:
I have three feet but no arms or legs
You cannot keep me until you have given me. What am I?
I can fall off a building and live but in water I will die.
There was a green house. Inside the green house there was a white house. Inside the white house there was a red house. Inside the red house there were lots of babies. What is it?
I am a protector. I sit on a bridge. One person can see right through me, while others wonder what I hide. 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.