What is the approximate doubling time of a population growing exponentially at a rate of 7% annually?
10 years
14 years
7 years
5 years correct answers 10 years
The Environmental Protection Agency (EPA) was established by which US president?
Richard Nixon
Bill Clinton
Franklin Rooseve...
what is the approximate doubling time of a populat
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What is the approximate doubling time of a population growing exponentially at a rate of 7%
annually?
10 years
14 years
7 years
5 years correct answers 10 years
The Environmental Protection Agency (EPA) was established by which US president?
Richard Nixon
Bill Clinton
Franklin Roosevelt
Theodore Roosevelt correct answers Nixon
John Muir founded the Sierra Club in 1892. His _________ worldview clashed with the
__________ view the government had long held. He lead the preservationist movement
encouraging protection from exploitation of public land wilderness and proposed the
establishment of a national park system on public lands.
Which of these is an example of non-point source pollution?
A wind-blown pesticide
The smoke from the smokestack of a coal burning factory
Car exhaust
A sewage pipe leaking into a rive correct answers A wind-blown pesticide
Fresh air, clean water, fertile healthy soil, sustainable forests, and rich biodiversity all describe:
Refer to the lettered points of the curves plotted on this graph. The curves show two possible
patterns of change in population size over time for a certain species of a small mammal in an
ecosystem. At which lettered point do you see the population growing exponentially?
A
B
C
D correct answers A
An entomologist noticed an absence of ants in an area of land that is known to have received
applications of a certain group of pesticides. The entomologists collects a quantity of ants and
repeats this experiment in the laboratory.
The entomologist sets up a control group of ants in a terrarium with no pesticide, and a group of
experimental ants in a terrarium with the pesticides applied to a portion of the space. The
, experimental ants are observed to avoid the pesticide applied area, and the control group of ants
roam their terrarium freely.
In this scenario, what is the dependent variable?
Where in the terrarium the ants roam
The amount of pesticide applied
The location of the pesticide in the terrarium
The number of ants in each terrarium correct answers Where in the terrarium the ants roam
The Forest Reserve Act of 1891:
—established the federal government as custodians of the land, protecting it from exploitation,
and ideally preserving it for future generations
—was not supported by John Muir.
—prevents the federal government from making changes in land-use boundaries.
—was initiated by John Muir. correct answers established the federal government as custodians
of the land, protecting it from exploitation, and ideally preserving it for future generations
A/an __________ is someone who is primarily interested in establishing new wilderness areas.
Which of the following is true regarding the comparison of nuclear fission to nuclear fusion?
—Nuclear fusion is more difficult to initiate than nuclear fission.
—Nuclear fusion produces less energy than nuclear fission.
—Nuclear fusion occurs in atomic bombs, whereas nuclear fission occurs in hydrogen bombs.
—Nuclear fusion occurs only in nuclear power plants, whereas nuclear fission occurs only in the
sun correct answers Nuclear fusion is more difficult to initiate than nuclear fission.
According to the Second Law of Thermodynamics:
—biological systems that reduce entropy also lead to a corresponding increase in entropy
elsewhere in the environment.
—transfers of energy increase order.
—all reactions produce heat.
—the total amount of energy in the universe is fixed. correct answers biological systems that
reduce entropy also lead to a corresponding increase in entropy elsewhere in the environment.
Overuse of common property resources, which are owned by no one, but available to everyone
describes the concept of:
—the Tragedy of the Commons
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