Answer:
I'm not alive and yet I grow. Just put me next to where it glows. A favorite in summertime best with friends when combined
My days are numbered. What am I?
Without a bridle, or a saddle, across a thing I ride a-straddle. And those I ride, by help of me, though almost blind, are made to see. What am I?
I have feet on my head
I'm a ruler with 12 agents. Half of them work in the darkness. Who am I?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.