Which one of the following is not an example of geoengineering? correct answers Erecting large fields of wind turbines to generate electricity to power automobiles
In the United States, global climate change skeptics and deniers are largely sorted: correct answers Along political lines
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which one of the following is not an example of ge
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ENVS Exam 2 Quiz Questions and Answers (Module 4,
Module 5, Module 6)
Which one of the following is not an example of geoengineering? correct answers Erecting large
fields of wind turbines to generate electricity to power automobiles
In the United States, global climate change skeptics and deniers are largely sorted: correct
answers Along political lines
Deliberate campaigns of misinformation with the intent to create mistrust in climate science have
been vigorously pushed by: correct answers Organizations and corporations (such as oil
companies) who stand to lose profits if fossil fuel use is reduced
The sharp decrease in atmospheric 14C (Carbon-14) in the past decade is directly related to:
correct answers Increased use of in fossil fuels
The Industrial Revolution resulted in many changes to farms in the United States, and it: correct
answers Increased the efficiency of farming resulting in fewer, but larger farms.
The inside of a car (or greenhouse) heats up in the presence of sunshine because: correct answers
The energy from infrared radiation is trapped in the car.
The most dramatic temperature shifts in the past few decades have been: correct answers in the
north and south polar regions.
Discussing the consequences of global climate change at a conference, representatives of a
developing nation suggest that those nations that contribute the most greenhouse gases (GHGs)
to the atmosphere should contribute the most to paying for adaptive responses worldwide.
Further, this representative pointed out that her poor country contributes less than 1% of the
annual GHGs and has less than 0.1% of the world's wealth. This representative's appeal
represents: correct answers The polluter pays and equity principles.
The development of new varieties of grain crops increased productivity by increasing the: correct
answers size and number of seeds
The most effective way to reduce the GHG emissions is to increase: correct answers energy
efficiency and renewable energy
A farmer is tired of watching crops die in the field from several pest species. She decides that
next year she is going to use every type of ecological pest control she can find to address the
problem. Over the winter she gets ready, ordering pheromones that interfere with reproduction of
the pests, sterile male flies that will try to reproduce with some of the pest flies, and wasps that
lay their eggs in the larvae of another pest. It is expensive, but she thinks this should work well.
Which of the following forms of control is she not using? correct answers Cultural control
,Sustainable agriculture in the long term will require: correct answers decreasing the use of fossil
fuels and synthetic fertilizers.
Global warming is raising sea levels because of: correct answers melting ice and thermal
expansion.
Food safety issues of transgenic crops include: correct answers the promotion of antibiotic
resistance in pathogens and new allergic properties in crops.
Climatologists warn of a tipping point when global temperatures trigger unavoidable catastrophic
events and sea levels rise more than 25 feet. What single event would cause the sea level to rise
that much? correct answers Melting of the Greenland Ice Sheet
One ongoing concern about transgenic crops that produce pesticides is that this trait may: correct
answers kill other insects that are not pests.
If the Earth had no atmosphere: correct answers The biogeochemical cycles and climate on Earth
would be much different.
Herbicides would be most useful in combating: correct answers Weeds that infect our
agricultural fields.
War is most likely to contribute to famine: correct answers Where poverty, food production, and
distribution are already problematic.
Permanent polyculture is an approach to sustainable agriculture where farms: correct answers
And the crops grown on them are modeled on natural ecosystems.
All of the following affect the global rise in food prices, except: correct answers A marked
decline in demand for meat and animal products, especially in China and the United States.
For more than 20 years, scientists have been analyzing expected climate change and the impact
on crops grown in particular regions. For example, states that typically plant corn and soybeans
may need to switch to growing cotton. Such a change is an example of: correct answers
Adaptation
People most concerned about the side effects of bioengineering would more likely accept:
correct answers Crops produced by conventional plant breeding methods or by marker-assisted
breeding
A promising alternative to toxic pesticides used to reduce the billions of dollars in damage done
by marine biofouling organisms is: correct answers Polymers that make it difficult for the
organisms to attach to a substrate.
, As the climate becomes warmer in mountainous regions, the biological effects on mountain
ecosystems will: correct answers probably cause the extinction of high-altitude species as their
habitats warm.
You discover a sealed plastic bag of rice is teeming with tiny insects. You have probably found
an infestation of: correct answers stored product pests that can live with almost no water and are
resistant to pesticides.
Most of the weather of the world is based upon changes in moisture, pressure, and/or
temperature of the: correct answers troposphere.
The Industrial Revolution has led to an increased reliance on fossil fuels to: correct answers
power farm machinery and to produce fertilizers and pesticides.
The levels of mercury are low in the fish eaten almost daily by people living near an ocean. For
these people, bioaccumulation means that: correct answers mercury has been accumulating in
their bodies for many years.
Louisiana should be particularly concerned for global climate change and both more and stronger
hurricanes. These hurricanes are made worse and more numerous because of what result of
climate change? correct answers Warmer oceans
A gardener applied heavy doses of the same insecticide to her garden for two consecutive years
to kill squash bugs. During the third year, although the squash bugs were reduced, the woman
called in an expert to explain why she had an abundance of new pests that were destroying her
garden. The expert explained that the abundant new pests were largely due to her previous use of
an insecticide in a phenomenon known as: correct answers secondary-pest outbreak.
Global climate change may increase the number of worldwide famines by all of the following,
except: correct answers requiring the use alternate forms of energy.
In a food chain, biomagnification is the result of: correct answers bioaccumulation up to higher
tropic levels
The winds we the experience in our daily lives are mainly the result of: correct answers the
movement of air between lower pressure and higher pressure regions.
The best way to avoid the evolution of pesticide resistance is to: correct answers use crop
rotation and biological controls instead of pesticides.
The Maldives Islands are in immediate danger from global climate change because: correct
answers the islands have a mean elevation of three feet above sea level.
In Alaska, some coastal areas are threatened by climate change because: correct answers sea ice
and permafrost have melted, increasing wave action and soil instability.
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