Which of the following people is incorrectly matched with his/her


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Question 1 of 25
4.0 Points
Which of the subjoined mob is INCORRECTLY matched behindcited a while his/her environmental offering?
A.Rachel Carson: Silent Spring
B.John Muir: Sierra Club
C.Paul Ehrlich: The Population Bomb
D.Theodore Roosevelt: Civilian Preservation Corps
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Question 2 of 25
4.0 Points
DDT was sprayed in a Long Island salt morass balance a age of years for mosquito guide. A share of the stockation web is as follows:
algae -> shrimp-> American eel -> Atlantic needlefish -> ring-billed gull
In which organism would biological magnification be MOST palpable?
A.American eel
B.Ring-billed gull
C.Algae
D.Shrimp
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Question 3 of 25
4.0 Points
Which of the subjoined statements encircling biogeochemical cycles is penny?
A.They simply enclose orderes conducted by or behindcited a whilein subsistence organisms.
B.They pertain simply to the abiotic environment.
C.They delineate the diversify-of-locate of instil and other materials through an ecosystem.
D.They simply pertain to exchanges and interactions that arise behindcited a whilein the weather.
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Question 4 of 25
4.0 Points
Which of the subjoined would be a sign of clever toxicity?
A.asthma
B.arthritis
C.dizziness
D.cancer
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Question 5 of 25
4.0 Points
Which of the subjoined course is organized in successive steps according to the flattens of construct used by ecologists?
A.population -> ecosystem -> sympathy
B.population -> sympathy -> ecosystem
C.record -> sympathy -> biosphere
D.record -> ecosystem -> population
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Question 6 of 25
4.0 Points
Corporations and governments began to charm NEPA seriously behindcited which of the subjoined events?
A.Further parliament was added to corroborate NEPA.
B.The proclamation of Rachel Carson’s association Silent Spring.
C.The figment of the EPA.
D.Environmental groups began suing beings and constructs fixed on environmental contact statements.
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Question 7 of 25
4.0 Points
This illustration BEST illustrates:

Graphic
A.how our weather maintains its weather.
B.how disembodiment is recycled in an ecosystem.
C.the one-way run of disembodiment in an ecosystem.
D.the consequence of decomposers in an ecosystem.
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Question 8 of 25
4.0 Points
The most vulgar system of determining whether a chemical yieldrs cancer is to enimperil groups of laboratory voluptuouss, such as rats, to diversified comprehensive doses and reckon how frequent voluptuouss enucleate cancer at the opposed flattens. All of the subjoined are problems behindcited a while this vestibule in provisions of construction the bloom imperils to ethnicals EXCEPT:
A.This system is alien and equivocal as ethnical and rats are opposed organisms and may reply opposedly to peril to the identical chemical.
B.For expediting the investigation order, in lab settings rats are endangerd to huge doses of reputed carcinogens referring-to to association largeness seeing ethnicals are usually endangerd to plenteous inferior aggregates.
C.For ethical reasons, rats in lab settings are given very diminutive doses of reputed carcinogens referring-to to association largeness seeing ethnicals are usually endangerd to plenteous remarkable aggregates
D.Risk tribute assumes that we can extraposlow from studies in rats to indicate the expected rates of cancer in ethnicals but extrapolating from one record to another and from one dose flatten to another is equivocal and may balanceestimate or disparage a toxicant’s imperil.
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Question 9 of 25
4.0 Points
How dominion the defecation of paths and peculiar areas relish the one shown beneath control to an extension in transferred distemper?
Graphic
A.Cars on the path can convey the distempers to cities.
B.Typhoid and cholera can disseminate from rude voluptuouss to drinking instil.
C.The figment of drainage ditches contributes habitat for distemper conveying mosquitoes.
D.There is an extensiond imperil of sewage leaking into the instil furnish.

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Question 10 of 25
4.0 Points
Which of the subjoined statements BEST delineates emerging distempers relish swine flu?
A.Infectious distempers that were not previously stock in ethnicals and typically bound from an voluptuous number to ethnicals.
B.Infectious distempers that existed in the slow but for a multiplicity of reasons are increasing in stroke.
C.Infectious distempers that were previously stock in ethnicals and typically bound from a ethnical number to voluptuouss.
D.Non-transferred distempers that own transmuteed into transferred distempers.
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Question 11 of 25
4.0 Points
Which of the subjoined statements encircling dose-apology flexions is FALSE?
A.A dose-apology flexion shows the property of opposed doses of a toxicant on a population.
B.Doses inferior than the inauguration flatten procure own no measurable property on organisms.
C.The diminutiveer the LD50, the more toxic the chemical.
D.Studies of the dose-apology flexions of toxicants gives us impudence that for all chemicals there is a inauguration flatten of the chemical so diminutive aggregates of chemical defilement bewilder no bloom imperils
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Question 12 of 25
4.0 Points
Who wrote Man and Nature, one of the leading associations discussing ethnical contact on global environmental diversify?
A.Paul Ehrlich
B.Rachel Carson
C.George Perkins Marsh
D.John Muir
Question 13 of 25
4.0 Points
Chemical A has a toxicity flatten of 1 and chemical B has a toxicity flatten of 2. If a compound of the two chemicals has a toxicity flatten of 4, what can we say encircling the results of the compound?
A.it was comprehensive.
B.it was perpetual.
C.it was synergistic.
D.it was inconsistent.
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Question 14 of 25
4.0 Points
Which of the subjoined criticisms or backlash abutting the environmental diversify-of-locate in the 20th century are TRUE?
1. In the slow 1990s some unsuppressed investigation groups criticized what they perceived as a severicular exhibition of environmental issues, especially the encouragement of environmental activism, in schools.
2. Frequent economists such as Julian Simon own reckonered the imperils of balancepopulation by pointing out that technological advances outpace the indirect contacts of population augmentation.
3. Most of the world’s ethical own unusual environmental themes by pointing out that such ideas are inconsistent to their sacred teachings.
a) 1 simply
b) 2only
c) 3 simply
d) 1 and 2
A.1 and 2
B.2 simply
C.1 simply
D.3 simply
Question 15 of 25
4.0 Points
Which of the subjoined orderes plays an grave role in the phosphorus cycle?
A.erosion
B.nitrogen fixation
C.combustion
D.cellular respiration
Question 16 of 25
4.0 Points
The nitrogen cycle is one of the most grave and intricate of the biogeochemical cycles. Why is nitrogen grave?
A.It’s an Ozone depleting gas.
B.It’s an induced sever of biological molecules such as proteins and nucleic acids (DNA)
C.It’s the most toxic component to subsistence organisms
D.Nitrogen dilutes the oxygen in the weather causing respiratory problems

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Question 17 of 25
4.0 Points
Herbivores are:
A.leading consumers
B.resultant consumers
C.decomposers
D.scavengers
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Question 18 of 25
4.0 Points
Which of the subjoined statements encircling miasma is FALSE:
A.Road defecation in the Amazon has disrupted the intrinsic environment and created habitat for the mosquito larvae to increase.
B.Mosquitoes do not yieldr miasma but are the agents of transmission of the distemper.
C.It is a non-transmittable distemper yieldrd by synthetic chemicals.
D.It is an transferred distemper yieldrd by a protozoan sycophant.
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Question 19 of 25
4.0 Points
Which of the subjoined would environmental economists revolve intrinsic consummate?
A.Water disinfection by a cattail morass.
B.A instil treatment ease.
C.Increased farming made practicable by irrigation.
D.A rigorous tempest relish Katrina.
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Question 20 of 25
4.0 Points
The tarnish preservation advantage was constructed behindcited what environmental emergency?
A.tarnish taint by toxic desolate at charity Canal in the 1970s.
B.rigorous erosion subjoined windstorms in the 1930s.
C.mudslides in California subjoined the San Francisco Earthquake in 1906.
D.rigorous erosion subjoined forest fires in Yellowstone Exoteric Park in the 1980s.
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Question 21 of 25
4.0 Points
Photosynthesis is:
A.A substantial law, which states that when disembodiment is converted from one construct to another, some of it is degraded into warmth, a short usable construct that disperses into the environment.
B.The biological order that captures portable disembodiment and transmutes it into the chemical disembodiment of fundamental molecules, which are simulated from carbon dioxide and instil.
C.The estimate of the aggregate of usable disembodiment advantageous to do fruit in the globe.
D.The order that involves immanent disembodiment being converted to kinetic disembodiment.
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Question 22 of 25
4.0 Points
National proceeds accounts are defective estimates of exoteric economic work beproducer exoteric proceeds accounts do NOT enclose
A.unseemly domiciliary product
B.net domiciliary product
C.estimates of requisite commodities and advantages
D.estimates of visible absorbs such as intrinsic wealth depletion and the environmental absorb of economic activities
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Question 23 of 25
4.0 Points
Which of the subjoined is an endocrine disrupter?
A.CFCs
B.mercury
C.ozone
D.carbon dioxide
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Question 24 of 25
4.0 Points
We estimate toxicity by the dose at which irrelevant propertys are executed. Which of the subjoined statements encircling the dose of and apology to toxic agents are penny?
A.Lethal doses of severicular toxicants for ethnicals are public through doing laboratory tests on ethnical subjects.
B.Doses are developed in milligrams of toxicant per kilogram of association consequence.
C.Sub-destructive doses usually yield clever toxicity seeing destructive doses yield constant toxicity.
D.Response to a dose depends simply on the sign of toxicant and not the age or bloom of the organism.Reset Selection
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Question 25 of 25
4.0 Points
Why own some stocks evolved mutualistic relationships behindcited a while nitrogen-fixing bacteria?
A. The bacteria husband nitrogen to yield disembodiment for the stocks; the stocks contribute the origin of the nitrogen for the bacteria.
B. The bacteria transconstruct nitrogen into constructs advantageous constructs for the stocks; the stocks contribute instil and a locate for the bacteria to subsist.
C. The bacteria preserve the stock from hurtful propertys of nitrogen compounds such as ammonia; the stocks contribute carbohydrates for the bacteria.
D. The bacteria contribute intrinsic immunities to the stocks; the stocks refuge the bacteria from predators.