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Agriculture uses an estimated _____ percent of the global fresh water supply.


A) 10
B) 25
C) 50
D) 70

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Over time the amount of land in agricultural production globally and the amount of water used in agriculture globally have decreased. ?

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The separation of livestock from crop production has resulted in


A) increased nitrogen pollution and soil erosion.
B) increased nitrogen pollution and pesticide use.
C) increased nitrogen pollution and concentrated manure production.
D) increased pesticide use and concentrated manure production.

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Which social and environmental problem resulted from extensification of agriculture?


A) Dust Bowl.
B) Dead zones in the Gulf of Mexico
C) Superweeds
D) All of the above

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Which of the following statements best characterizes the production of biofuels?


A) Biofuels significantly lower greenhouse gas emissions.
B) Biofuel production produces more greenhouse gases than they eliminate.
C) Biofuel production lowers food security and greenhouse gas emissions.
D) Biofuel production increases food security, but lowers greenhouse gas emissions.

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Increased fertilizer use has resulted in increased nitrogen pollution. Nitrogen pollution results in


A) marine dead zones.
B) avian dead zones.
C) global climate change.
D) soil erosion.

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In Lesson 12, Sean Gillon argues, how the environment in food systems is both a social and ecological issue. Write an essay that, first, discusses the way social structures and policies, affect agriculture's impact on the environment. Second, use the issue of food scarcity, to show how it ways social and ecological dynamics are intertwined in food systems.

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In Lesson 12, Sean Gillon argues that th...

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Increased agricultural productivity or output through expanding the amount of land being farmed is referred to as


A) technology treadmills.
B) agroecology.
C) agricultural industrialization.
D) extensification.

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D

Intensification and extensification are two key processes of agriculture systems. First, define the processes of intensification and extensification. Second, examine how each of these processes has exacerbated the negative impacts of agriculture on the environment. In your answer, please provide supporting examples.

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Intensification and extensification are ...

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How does agricultural industrialization attempt to overcome agriculture's basis in nature?

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Agricultural industrialization attempts ...

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Policy decisions that incentivize agriculture production over environmental conservation indicate are an example of


A) social decisions affect environmental conditions.
B) agriculture's basis in nature.
C) the extensification of agriculture.
D) All of the above

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Industrial agriculture requires higher levels of pesticides because


A) large-scale, monocrop production is more susceptible to pest and disease.
B) diversified agricultural production attracts a greater variety of pests.
C) to counteract the effects of soil erosion.
D) All of the above

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Food scarcity is affected by


A) Ecological resources
B) Population growth
C) Agricultural policy
D) All of the above

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Which statement best describes the issue of food scarcity?


A) It is an ecological issue.
B) It is a social issue.
C) It is both an ecological and social issue.
D) It is an economic issue.

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Political economic structures, such as competition and volatile prices, tend to


A) incentivize farmers to reduce environmental degradation.
B) incentivize farmers maximize production and thus, increase environmental degradation.
C) encourage farmers to shift from industrial to agroecological practices.
D) reduce inputs to increase their profitability.

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What is extensification and how can it contribute to environmental degradation?

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Extensification refers to the expansion ...

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Discuss one way that current forms of food consumption contributed to environmental degradation.

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One way that current forms of food consu...

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Which of the following is not a reason for the widespread conditions of food insecurity in the world today?


A) The inability of agriculture to produce enough food for the global population
B) Food waste
C) Increased production and consumption of meat
D) The use of agricultural land to produce processed ingredients and biofuels

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A

The processes of increasing agricultural productivity per unit of land is referred to as


A) technology treadmills.
B) agroecology.
C) intensification.
D) extensification.

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Technologies and practices that aim to maximize agricultural productivity and profitability, and minimize the challenges that nature poses are referred to as


A) technology treadmills.
B) agroecology.
C) agricultural industrialization.
D) extensification.

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C

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