47 Cards in this Set
| Front | Back |
|---|---|
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Where is Khartoum?
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The Fertile Crescent is also known as:
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Mesopotamia
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Which area represents the Bushmen as described by Laurens Van Der Post?
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southeastern Africa
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Which crop originated in the Fertile Crescent?
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wheat
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Which is not one of the five soil forming factors?
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weathering
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Which of the following is a disadvantage of the Aswan Dam?
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sediment from Ethiopia is filling up the dam
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If a soil is deep and well-drained, what practice can prevent salinization if poor quality irrigation water is used?
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add more water than is needed when irrigating
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Because of siltation and/or salinization, the cradle of civilization in Mesopotamia moved ________.
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Northward
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Sumer was abandoned. Which of the following is NOT one of the reasons?
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gold was discovered in the south
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In general, soil _____ get better once agriculture begins.
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does not
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nomads usually stop migrating when:
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agriculture provides a stable food supply
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Who was Levi?
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a blackfoot indian
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Henry Wallace wrote that man has no right to destroy soil even if he owns the land. When he wrote this passage, what was his political position?
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Secretary of Agriculture for the USA
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Lowdermilk wrote that _____ was the site of the Garden of Eden.
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Mesopotamia
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Most soils in Tennessee are classified as:
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alfisols and ultisols
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Malthus wrote that human population grows at a ____ rate while food production grows at an _____ rate.
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geometric; arithmetic
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T or F: the world population is currently growing in areas of the world with the best soil resources.
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False
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Which sea in Asia shrunk due to over-irrigating for cotton?
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Aral
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Where was Yali from?
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Papua New Guinea
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As civilizations begin, there is usually a direct correlation between agriculture and:
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the beginning of politics
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plant species of the area impact the sustainability of civilizations. However, some traits of species make them difficult to use in other places. Which statement best addresses the issue advanced by diamond?
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plant species move more easily from east to west
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Lowdermilk discussed the astounding decline of agriculture in the Near East and North Africa that was caused by:
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erosion
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the dominant vegetation native to TN is:
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deciduous trees
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Fertile grassland, relatively young soils that form the Bread Basket for countries in both North America and the steppes of Russia are classified as:
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mollisols
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The Nile Delta is very productive agriculturally. Given that these soils developed from Nile River flood water alluvium they are perpetually young soils. Which soil order best describes these soils?
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entisols
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Over time the Mesopotamians stopped planting ____ and planted ______ instead because it was more tolerant of the salts in the soils.
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wheat; barley
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T or F: day length changes as you move east to west which impacts crop selection
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false
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T or F: as per the geologic record, climate change is fact
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true
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which of the following is a practice that minimizes erosion?
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decreasing tillage and increasing crop residue cover on the soil surface
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which of the following explains how lithic mulch improves conditions for plants to grow in a dry, windy, cool climate?
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rocks reduce temperature fluctuations by releasing daytime heat from the sun and absorbing that same heat at night
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which of the following is NOT one of the 3 soil erosion processes?
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ephemeral suspension
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_____ erosion is due to human activities, animals, and recreational vehicles.
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accelerated
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In order to decrease soil erosion to a sustainable rate, we want our RUSLE A value to be ______ our T value.
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be less than
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Which of the following is an effect of sediment (from eroded soils) in the surface waters?
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buildup of sediment in reservoirs and dams
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Deforestation is most severe on islands that are:
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dry
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Which management practice would produce the most erosion?
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surface mining
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which of the following practices would increase water erosion?
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tilling the soil to sufficiently remove all surface cover
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In the RUSLE equation, which factors can be changed to reduce or increase soil erosion?
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C
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How can we reduce wind erosion?
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plant a tree wind break that is 60 feet tall every 1/2 mile
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According to the Union of Concerned Scientists, agroecology includes:
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crop rotations, diversified farms, cover crops, and improved soil health
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UCS promotes cropping systems that are:
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multiple plant species per cropping season
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Why is the Yellow River referred to as China's Sorrow?
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the extreme soil loss in the river drainage basin
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The first Aswam dam was completed in 1902. It's height was later raised ___ times due to need and sediment buildup.
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2
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To build the Three Gorges dam in China, how many cities were flooded?
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22
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Approximately __% of Egypt's population lives along the Nile.
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95
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With the building of the Aswan High Dam, much of ____ became submerges under the reservoir. Only 20 monuments from this empire were dismantled and re-erected.
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Nubia
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Which of the following would fit Garret Hardin's concept of the "Tragedy of the Commons"?
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not requiring all children to be immunized to limit the potential for disease outbreaks
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ESS 120: Exam 2