Answer:
Draw fire or fill me; I'm still empty.
Sometimes I fly as fast as the speed of light. Sometime I crawl as slow as a snail. Unknown until I am measured but you will certainly miss me when Iām gone.
I am a seed with three letters in my name. Take away the last two and I still sound the same. What am I?
Squeeze me and I cry tears as red as flesh, but my heart is made of stone. What am I?
Many people own a copy of me. Without me the world would fall.
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.