Answer:
I'm as simple as a circle worthless as a leader; but when I follow a group their strength increases tenfold. By myself I'm practically nothing.
A large oasis in the desert. Come with cash and leave with none. What am I?
The more you take away from me, the bigger I shall get. What am I?
Sometimes dark and sometimes bright I make my way among twinkling lights. Seas and oceans obey my call yet mountains I cannot move at all. My face is marred and gray But I'm majestic anyway
I am a lunch money thief
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.