Parenting styles

Jun 28th, 2015
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Beulah Heights University
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• Authoritarian: their word is law Strict Whatever they say goes

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4000 B.C.E- sumerians discover the process of fermentation10th century B.C.E- assyrians used biogas for heating bathing water17th century C.E- helmont observes that organic matter emits flammable gases. He introducethe word gas1700s-- vegetable oils and fats lit up streets in Europe. Whale oil was extensively usedfor lighting houses.1800s-the use of whale oil declined drastically due to the significant decrease in thewhale population. The use of wood oil also declined because the price went updue to unsustainable use of timber.- the use of cheaper fossil fu

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