Answer:
Pronounced as one letter but written with three always in evil never in good and always in zebra never in animal. What is it?
By myself, I'm practically nothing. Worthless as a leader, but when I follow a group, their strength increases tenfold. What am I?
I am a food with 5 letters. If you remove the first letter I am a form of energy. Remove two and Iβm needed to live. Scramble the last 3 and you can drink me down.
If you lose me, you may cause people around you to lose me too. What am I?
What two keys cannot open any door?
I flow from the Homerβs mouth when he sees doughnuts.