Answer:
Some will use me, others not. Some have remembered, others forgot. For profit or gain, I'm used expertly. I can't be picked off the ground or tossed into the sea. What am I?
I am found on Mercury Venus Earth and Mars but not on Jupiter or Saturn. What am I?
How many letters are there in the English alphabet?
I can climb mountains, cross streams, handle hundreds of feet each day, yet I never move. What am I?
I am used to bat with, yet I never get a hit. I am near a ball, yet never thrown. What am I?
I flow from the Homerβs mouth when he sees doughnuts.