Answer:
Though not a plant I have leaves. though not a beast I have spine. Though many wouldn't need me I am more valuable than wine.
I am a type of weapon for SCI-FI characters
I am bought by the yard but worn by the foot
I begin and have no end and I end all that begins. What am I?
You heard me before and then again. Afterward I die, until you call me again. What am I?
A man goes out in heavy rain with nothing to protect him from it. His hair doesn't get wet. How does he do that?