Raw materials

After graduating from high school, one day, the teacher that he decided to teach the science class about raw materials. He stood in front of the class and said,

"Children, if one of the raw material may be established under the auspices of the world, what it should be?"

Little Stevie raised his hands and said, "the use of gold, because gold is a lot of money and can buy a Corvette."

Nyökkäsi and urged that steps be taken to a little Susie teacher. Little Susie said, "would like Platinum because of Platinum is more than gold, and Porsche can buy"

Teacher smiled and then invite Little Adam. A little bit of Adam was and said, "would like to have a Silicon."

A teacher said, "Adam, why Silicon?"

"Because my mom has two bags and parked outside our House sports cars should appear!"