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OpenStudy (anonymous):

What were the two basic causes of the Dust Bowl during the early 1930s? strip mining and toxic chemical dumping over farming and drought urban sprawl and overpopulation deforestation and railway construction

OpenStudy (thegamer007):

its B

OpenStudy (thegamer007):

over farming and drought

OpenStudy (paki):

@TheGaMer007 please avoid posting direct answers....

OpenStudy (thegamer007):

ok @paki

OpenStudy (paki):

thank you... :)

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