Which of the following did not contribute to the collapse of agricultural ecosystems during the Dust Bowl?
A) lack of cover crops
B) shelterbelt planting
C) burning of fields
D) plowing practices
E) drought conditions
B
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Explain why the Great Basin area of the western United States is dry. What term is applied to this type of desert?
What will be an ideal response?
A creolized language is
A) extinct. B) a mix of indigenous and colonial languages. C) an isolated language family. D) a possible prehistoric superfamily. E) a revived formerly extinct language.
If you are a fish that lives a cruising lifestyle, which of the following characteristics will probably NOT describe you?
a) A streamlined, torpedo-shaped body b) A preponderance of red muscle tissue c) A higher body temperature d) The ability to generate short bursts of high speed e) Good camouflage
The mineral ________ is strongly magnetic.
A. magnesite B. pyrite C. calcite D. quartz E. magnetite