How can we reduce soil erosion during surface mining of coal?

BMPs may include diverting runoff water away from or establish- ing vegetative cover on disturbed land to prevent erosion, or installing silt fences or sedimentation ponds to remove sus- pended sediment from runoff before it leaves disturbed areas (Conrad, 1990). 1 Can coal reduce erosion? 2 How does coal mining affect erosion? 3

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How Did The Economy Of The South During The Antebellum Era Compare To That Of The North??

During the Antebellum era, the South’s economy was primarily based upon agriculture and slave labor. Cotton and rice were major contributions to the economy of the South. The North at this time had a growing industrial and commercial economy mainly dependent on wage labor. 1 How were the economies of the North and

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How did technological advances improve farming during the Han period?

How did technological advances improve farming during the Han period? Without the wheelbarrow and the iron plow the farming process would not be as efficient. These advances added quickness and less human labor for farming. 1 What did the Hans invent? 2 What improvements did the Chinese make under Han rulers? 3 Which

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How did the development of iron technology change China during the early Zhou Dynasty?

How did the development of iron technology change China during the early Zhou Dynasty? Iron technology encouraged trade and enabled many people to advance economically. 1 What development encouraged the regional lords of Zhou China to claim more power and decreased their loyalty to the Zhou king? 2 What important military technology was

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How did steamboats affect Louisiana’s economy during the antebellum period?

Which statement best describes Louisiana’s economy during the antebellum period? Louisiana’s economy was focused on exporting manufactured goods. Louisiana’s agricultural products were rearely exported to other countries. Louisiana’s had one of the largest railroad networks in the United States for the export of goods. 1 How did the expansion of railroads affect Louisiana’s

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How did the ideas of social Darwinism influence politics during the late 19th early 20th century?

Many Social Darwinists embraced laissez-faire capitalism and racism. They believed that government should not interfere in the “survival of the fittest” by helping the poor, and promoted the idea that some races are biologically superior to others. 1 What was the impact of Social Darwinism in America? 2 What was the impact of

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