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 do not want me when you donβt have me, but when you have me you donβt want to lose me.
I am quick when I'm thin. I am slow when I'm fat. Wind is my worst nightmare. What am I?
I can speak with my hard metal tongue. But I cannot breathe for I have no lung
I'm blue, but when you see me I'm red. You don't see me too often. I'm there for you if you're hurt, but I'm good for you. What am I?
What language does a billboard speak?