Throughout history, we have made lots of discoveries using energy. Before 1850, wood was our main source of fuel for heating, cooking and producing steam for powering steam engines for the railroads. Other sources of energy were water, wind, coal and some manufactured natural gas.
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His bed is 2/5 of his room, which is 1/8th of the house. In order to know how much of the entire houre the bed takes we have to multiply this: (2/5)*(1/8). When we multiply fractions, we can multiply "independently" the numerator and denominator, like this:
(2*1)/(5*8)
That's 2/40, or 1/20. So his bed takes up 1/20 of his house.
William Lloyd Garrison was an American abolitionist who published a newspaper called The Liberator which was an abolitionist piece of literature and kept on publishing until the end of slavery. Reverend Lovejoy or Elijah Parish Lovejoy was a reverend who published anti-slavery articles in various newspapers. He also started an abolitionist paper called the Alton Observer.
