Answer:
Always in you, sometimes on you. If I surround you, I can kill you. What am I?
I have a head, tail, but no arms and legs. What am I?
What word begins and ends with an E, but only has one letter?
I start with an E end with an E and have a letter in me.
I am a word of letters three. Add two and fewer there will be. What word 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.