The answer is FIRE
I have many tongues, and must be fed. Restrain me not, and I will spread. I could save you, or make you dead, it all depends on how I'm fed. Who am I?
A staple for the learning But not yet learn-ed For all hungry minds Deserve to be fed I may save you time But I lack in nutrish' Leave me in my bag And you won't wash a dish What Am I?
You must keep this thing, its loss will affect your brothers. For once yours is lost, it will soon be lost by others.
What is it?
I was once an old massive star and soon I will be a brightly colored gas cloud, but for now I am a massive explosion. What am I called?