What was the Dust Bowl that occurred around 1930?
The Dust Bowl was basically where settlers had moved in to a relatively dry area. They had cut down trees and not used contour plowing. They were leaving fields barren. The climate cycled into its twenty year drought period, so you had large amounts of dust and unconsolidated soil that was blown into other parts of the country. The United States created the National Soil Conservation Service to help counteract this problem
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Gene banks, zoos, and aquariums are sanctuaries being used to protect wild species
Indicate whether the statement is true or false
What is the minimum mapping unit?
What will be an ideal response?
Pyroclastic eruptions on a snow-capped volcano
A. can create dangerous lahars. B. cause the volcanic ash to solidify. C. stop when the melting snow cools the eruption. D. are physically impossible.
The issue that racial and ethnic minorities face unusually high exposure to environmental hazards is a central argument to
A. Economic development B. Urban renewal C. Interpretive science D. Sustainable development E. Environmental justice