Give me food and I will live. Give me water and I will die. What am I?

Question

I do not have any heart but still I manage to live. If you kill me , you will eventually die but yet you kill me. I cannot run, who am I?

Answer 1

Answer:
FIRE
if you give food i,e.fuel etc it will live
if you give water it will die

Answer 2

Fire
When you gave it food i.e fuel, it will live
if you gave water... it will die