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Coal production in Virginia has fallen about 73 percent from the peak output reported in 1990 (46.6 million short tons). What is a possible cause of the production trend shown in the graph?
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Coal production in Virginia has fallen about 73 percent from the peak output reported in 1990 (46.6 million short tons). What is a

possible cause of the production trend shown in the graph?

User Vineet Kasat
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Answer:

D Coal production has decreased from its peak in the 1990's as the more accessible coal deposits have been mined out, requiring more time and resources to maintain coal production.

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User A Friend
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