Most vegetation is not made out of vegetables :) Fruits and vegetables tend to have a very high water content, specially the ones we bred for human consumption.

Most vegetation is not made out of vegetables :) Fruits and vegetables tend to have a very high water content, specially the ones we bred for human consumption. Any random tree will have about 50% water and close to that amount in carbon, with trace amounts of other elements. That's less water than you and me.