environmental science test 3
Environmental health advocates criticize the process of risk management, saying
that it gives too much weight to _______.
economic interests
The bald eagle and peregrine falcon are ________.
top consumers susceptible to eggshell damage caused by DDT
The Superfund, established to clean up hazardous waste sites in the United
States, is a part of what legislation?
The Comprehensive Environmental Response, Compensation, and Liability Act
A system stabilized by negative feedback, with opposing processes offsetting
each other, is said to be in ________.
dynamic equilibrium
Which of the following describes the process of biomagnification?
It is the increase in toxicant concentration as it moves up to the top trophic levels
in the food chain.
What are the properties of toxicants that are likely to build up in animals through
bioaccumulation?
They are nonbiodegradable and lipid-soluble.
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The average American generates approximately ________ lb of solid waste per
day.
4.4
, A materials recovery facility (MRF) is responsible for __________.
recycling materials
Which role has the international community taken regarding toxins?
Its actions have resulted in the proposal of conventions for toxicant regulation.
Aquifers are ________.
underground water reservoirs
Which of the following types of hazards spread quickly worldwide because of
human mobility?
biological hazards
Studies of endocrine disruptors have shown that they are closely associated with
all of the following except ________.
lung cancer
The goal of the Stockholm Convention is to ________.
end the use and release of 12 POPs shown to be the most dangerous
In many waterways around the United States, poly-chlorinated biphenyls (PCBs)
have contaminated the sediments and wildlife. Given that most of the PCBs in
the environment were released before 1980 and are still present in these
ecosystems, which best describes this phenomenon?
long persistence
Ecological modeling can help us ________ ecosystem services.
understand
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