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 vulgar is INCORRECTLY matched behind a while his/her environmental assistance?
A.Rachel Carson: Silent Spring
B.John Muir: Sierra Club
C.Paul Ehrlich: The Population Bomb
D.Theodore Roosevelt: Civilian Protection Corps
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Question 2 of 25
4.0 Points
DDT was sprayed in a Long Island salt slough balance a determination of years for mosquito administer. A constituent of the stay web is as follows:
algae -> shrimp-> American eel -> Atlantic needlefish -> ring-billed gull
In which organism would biological magnification be MOST manifest?
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 gentleman?
A.They singly understand rulees conducted by or behind a whilein aid organisms.
B.They pertain singly to the abiotic environment.
C.They narrate the transmute-of-situate of soak and other materials through an ecosystem.
D.They singly pertain to exchanges and interactions that betide behind a whilein the weather.
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Question 4 of 25
4.0 Points
Which of the subjoined would be a token of sharp toxicity?
A.asthma
B.arthritis
C.dizziness
D.cancer
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Question 5 of 25
4.0 Points
Which of the subjoined order is arranged in successive steps according to the planes of construction used by ecologists?
A.population -> ecosystem -> co-ordination
B.population -> co-ordination -> ecosystem
C.letter -> co-ordination -> biosphere
D.letter -> ecosystem -> population
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Question 6 of 25
4.0 Points
Corporations and governments began to accept NEPA seriously behind which of the subjoined events?
A.Further congress was acquired to invigorate NEPA.
B.The divulgation of Rachel Carson’s dimensions Silent Spring.
C.The invention of the EPA.
D.Environmental groups began suing speedlihood-souls and constructions installed on environmental contact statements.
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Question 7 of 25
4.0 Points
This aspect BEST illustrates:

Graphic
A.how our weather maintains its air.
B.how garmy is recycled in an ecosystem.
C.the one-way progress of garmy in an ecosystem.
D.the significance of decomposers in an ecosystem.
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Question 8 of 25
4.0 Points
The most spiritnear way of determining whether a chemical purposes cancer is to betray groups of laboratory lewds, such as rats, to multicontrive liberal doses and enumerate how frequent lewds amplify cancer at the opposed planes. All of the subjoined are problems behind a while this admittance in stipulations of mind the bloom lavishs to ethnicals EXCEPT:
A.This way is contingent and ambiguous as ethnical and rats are opposed organisms and may corcorrespond opposedly to snare to the similar chemical.
B.For expediting the scrutiny rule, in lab settings rats are betrayd to solid doses of reputed carcinogens not-absolute to assemblage extent since ethnicals are usually betrayd to thinkable inferior wholes.
C.For holy reasons, rats in lab settings are absorbed very minute doses of reputed carcinogens not-absolute to assemblage extent since ethnicals are usually betrayd to thinkable remarkable wholes
D.Risk toll assumes that we can extraposlow from studies in rats to individualize the expected rates of cancer in ethnicals but extrapolating from one letter to another and from one dose plane to another is ambiguous and may balanceestimate or disparage a toxicant’s venture.
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Question 9 of 25
4.0 Points
How rule the antidote of routes and foremost areas approve the one shown under propel to an enlargement in infections complaint?
Graphic
A.Cars on the route can propel the complaints to cities.
B.Typhoid and cholera can diffuse from visionary lewds to drinking soak.
C.The invention of drainage ditches produces habitat for complaint propeling mosquitoes.
D.There is an enlargementd lavish of sewage leaking into the soak accoutre.

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Question 10 of 25
4.0 Points
Which of the subjoined statements BEST narrates emerging complaints approve swine flu?
A.Infectious complaints that were not previously set-up in ethnicals and typically bound from an lewd army to ethnicals.
B.Infectious complaints that existed in the departed but for a multiformity of reasons are increasing in stroke.
C.Infectious complaints that were previously set-up in ethnicals and typically bound from a ethnical army to lewds.
D.Non-infections complaints that enjoy transmuteed into infections complaints.
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Question 11 of 25
4.0 Points
Which of the subjoined statements encircling dose-retort flexions is FALSE?
A.A dose-retort flexion shows the issue of opposed doses of a toxicant on a population.
B.Doses inferior than the rise plane achieve enjoy no measurable issue on organisms.
C.The minuteer the LD50, the more toxic the chemical.
D.Studies of the dose-retort flexions of toxicants gives us selfreliance that for all chemicals there is a rise plane of the chemical so minute wholes of chemical contaminateure confound no bloom lavishs
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Question 12 of 25
4.0 Points
Who wrote Man and Nature, one of the foremost dimensionss discussing ethnical contact on global environmental transmute?
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 plane of 1 and chemical B has a toxicity plane of 2. If a conformation of the two chemicals has a toxicity plane of 4, what can we say encircling the results of the conformation?
A.it was implied.
B.it was perennial.
C.it was synergistic.
D.it was opposed.
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Question 14 of 25
4.0 Points
Which of the subjoined criticisms or backlash opposite the environmental transmute-of-situate in the 20th antiquity are TRUE?
1. In the slow 1990s some undestroyed scrutiny groups criticized what they perceived as a inequitable endowment of environmental issues, chiefly the advancement of environmental activism, in schools.
2. Frequent economists such as Julian Simon enjoy enumerateered the ventures of balancepopulation by pointing out that technological advances outpace the disclaiming contacts of population enlargement.
3. Most of the world’s ethical enjoy unusual environmental themes by pointing out that such ideas are opposed to their devout teachings.
a) 1 singly
b) 2only
c) 3 singly
d) 1 and 2
A.1 and 2
B.2 singly
C.1 singly
D.3 singly
Question 15 of 25
4.0 Points
Which of the subjoined rulees plays an relevant 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 relevant and close of the biogeochemical cycles. Why is nitrogen relevant?
A.It’s an Ozone depleting gas.
B.It’s an requisite part-among-among of biological molecules such as proteins and nucleic acids (DNA)
C.It’s the most toxic part to aid 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.pristine consumers
B.minor consumers
C.decomposers
D.scavengers
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Question 18 of 25
4.0 Points
Which of the subjoined statements encircling stink is FALSE:
A.Road antidote in the Amazon has disrupted the probable environment and created habitat for the mosquito larvae to prosper.
B.Mosquitoes do not purpose stink but are the agents of transmission of the complaint.
C.It is a non-transmittable complaint purposed by synthetic chemicals.
D.It is an infections complaint purposed by a protozoan timeserver.
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Question 19 of 25
4.0 Points
Which of the subjoined would environmental economists think probable important?
A.Water antidote by a cattail slough.
B.A soak texture quickness.
C.Increased husbandry made practicable by irrigation.
D.A distressing affiliation approve Katrina.
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Question 20 of 25
4.0 Points
The contaminate shieldion labor was contriveed behind what environmental turning-point?
A.contaminate dirt by toxic desolate at kindness Canal in the 1970s.
B.distressing erosion subjoined windstorms in the 1930s.
C.mudslides in California subjoined the San Francisco Earthquake in 1906.
D.distressing erosion subjoined forest fires in Yellowstone Notorious Park in the 1980s.
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Question 21 of 25
4.0 Points
Photosynthesis is:
A.A material law, which states that when garmy is converted from one contrive to another, some of it is reprieved into fever, a near usable contrive that disperses into the environment.
B.The biological rule that captures incompact garmy and transmutes it into the chemical garmy of fundamental molecules, which are constructed from carbon dioxide and soak.
C.The value of the whole of usable garmy adapted to do operation in the universe.
D.The rule that involves undeveloped garmy entity converted to kinetic ghost.
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Question 22 of 25
4.0 Points
National allowance accounts are blemished estimates of notorious economic operation bepurpose notorious allowance accounts do NOT understand
A.unseemly private product
B.net private product
C.estimates of promotive property and labors
D.estimates of superficial absorbs such as probable productions 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 value toxicity by the dose at which inoperative issues are done. Which of the subjoined statements encircling the dose of and retort to toxic agents are gentleman?
A.Lethal doses of part-amongicular toxicants for ethnicals are notorious through doing laboratory tests on ethnical subjects.
B.Doses are explicit in milligrams of toxicant per kilogram of assemblage gravity.
C.Sub-lethal doses usually yield sharp toxicity since lethal doses yield continuous toxicity.
D.Response to a dose depends singly on the expression 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 enjoy some establishs evolved mutualistic relationships behind a while nitrogen-fixing bacteria?
A. The bacteria localize nitrogen to yield garmy for the establishs; the establishs produce the cause of the nitrogen for the bacteria.
B. The bacteria transcontrive nitrogen into contrives conducive contrives for the establishs; the establishs produce soak and a situate for the bacteria to speed.
C. The bacteria shield the establish from harmful issues of nitrogen compounds such as ammonia; the establishs produce carbohydrates for the bacteria.
D. The bacteria produce probable immunities to the establishs; the establishs cover the bacteria from predators.