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Question
Why have most bioengineered crops been modified for "resistance" traits?A) These traits have the economic potential to save on production costs.
B) No technology exists to engineer other traits successfully.
C) These are the only traits proven safe for the environment.
D) These are the only traits proven safe for the human health.
E) Crops with these traits taste better.
Answer
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Related questions
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Urbanization drives TFR down.
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Malthus was responsible for ________.
A) the book The Population Bomb, which described the disastrous effects of human population growth
B) the idea that, without social strictures, the increase in the human population would lead to famine and war
C) the concept that human population growth would lead to greater industry and prosperity through education
D) instituting fertilizer use for agriculture
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The most accurate terms describing the trend over the past 50 years in resource use for human energy and agricultural systems are ________.
A) increasing and unsustainable
B) decreasing and sustainable
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D) from unsustainable to sustainable
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According to the IPAT model, the introduction of industrialized fisheries that use big trawlers, satellite navigation, and sonars to locate the fish ________.
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Q:
If global fertility rates remain at 2010 levels, the United Nations predicts that the world population will be approximately ________ billion in 2050.
A) 11
B) 9
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The transitional stage in Frank Notestein's demographic model is initiated by ________.
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B) the increased use of contraceptives
C) epidemics
D) industrialization
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Currently, the highest TFRs are in ________.
A) Africa
B) Asia
C) Latin America
D) Oceania
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The application of population ecology principles to the study of statistical change in human populations is the focus of the social science of ________.
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Briefly explain the advantages and disadvantages to China's policy on population control.
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Briefly explain how the status of women affects population growth.
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B) succession
C) coevolution
D) climax
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A) primary succession
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Briefly explain deep ecology.
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Q:
Toronto's greenbelt, created by the government of Ontario, is a means of ________.
A) developing more golf courses in the region
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C) once roads are widened, traffic congestion decreases
D) prohibition of motorized vehicles in urban areas reduces pollution and saves energy
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Q:
What is a downside of establishing urban growth boundaries (UGB)?