Answer:
This type of corn swells up and bursts into a crisp puff when heated.
I have eighty-eight keys but cannot open a single door? What am I?
You do this into someone's ear when you want to be discreet.
A tower at the root of all confusion.
As strong as love, more dangerous than cancer.
I am the fountain from which no one can drink. For many I am considered a necessary link. Like gold to all I am sought for, but my continued death brings wealth for all to want more.