Answer:
It comes from crystal and melts to a treat. Add it to your tea to make it sweet. What is it?
Something you carry while singing.
It carries paper of the most important sort but also plastic, I'm glad to report. What is it?
Rotten trees and Jack-O-Lanterns have this characteristic in common.
Gumby and yoga instructors have this in common.
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.