Answer:
The person who makes me doesn't need me. The person who buys me doesn't use me. The person who uses me doesn't know it. What am I?
I am a fruit with seed on the outside.
I begin with the letter āiā, if you add āaā in front of me, I become a new word with a different meaning, but still sounds exactly the same. What word am I?
What has 13 hearts but no other organs?
I am the ultimate killing machine used not once but TWICE I can be made by humans.
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.