In what year was the voting age changed from 21 to 18

As oil prices rose during 2006, demand for alternative fuels increased. ethanol, one alternative feul, is made from corn. according to an article in the wall street journal the price of tortillas which are made from corn also rose during 2006. the price spike in tortillas is part of the ripple effect from the ethanol boom. draw demand and supply graph for corn market and use it to show the effect on this market of an increase demand for an ethanol. be sure to indicate the equilibrium price and quantity before and after the increase in demand for ethanol.

Which type of remote sensing is shown in the photo above

Think of a time where you have observed someone's behavior and been encouraged to do the same. what did you do? was it a good or bad action? would you do it again?