because it carry's out the most energy through out the world
I honestly think hydroponics are costly because in order to grow, they need nutrients and that's what makes this so expensive. YOu can't just grow it or something, you have to get it from soil and that's what makes it costly.
yes, especially for big business such as U.S.A
The Kuwaiti Dinar is the most expensive currency in the world. It cost $3.54 for every one US dollar. Kuwait is a country slightly smaller than the state of New Jersey.
Luvaglio is the most costly laptop. Its hand made.
Blood, as they say
NBA or MLB
The Euro is the most widely used currency in Europe and the world for that matter.
World War II