Answer:
By myself, I'm practically nothing. Worthless as a leader, but when I follow a group, their strength increases tenfold. What am I?
you can throw me away but I will always be coming back
What gets sharper the more you use it?
Pronounced as one letter but written with three always in evil never in good and always in zebra never in animal. What is it?
I am an insect. Half of my name is another insect. I am similar to the name of a famous band. What am I?
What never gets any wetter no matter how hard it rains?