AnswersFL-2001340-Environmental Science Sem 2Sustainability

Sustainability — Cumulative exam Answers

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There is little variety among organisms found in pools, ponds, and lakes.

A
T
B
F
122
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Why are cane toads in Australia considered an invasive species rather than simply nonnative?

A
They are destructive to native species and have no natural predators.
B
They reproduce more quickly than native species.
C
They have venom glands.
D
Large adult specimens are able to hunt snakes.
123

Why is a system’s work output limited?

A
Entropy decreases with each stage of a system, causing a decrease in available entropy to carry out each stage.
B
Systems tend to become less randomized over time, which causes spontaneous processes to no longer occur.
C
Energy is destroyed in each stage, causing the amount of available energy to decrease with each stage.
D
Energy is lost as heat in each stage, causing the amount of energy available to decrease with each stage.
124

Which of the following aspects of the environmental movement addresses the public’s right to intervene in environmentally damaging activities on private land?

A
environmental justice
B
environmental sociology
C
environmental law
D
environmental activism
125

Who administers the Clean Air Act?

A
local police forces
B
the Environmental Protection Agency
C
the office of Homeland Security
D
individual businesses
126

The amount of available energy changes between the trophic levels found in a food chain or energy pyramid. Photos (left to right) by Mehmet Karatay, Jens Buurgaard Nielsen, Furryscaly, and Walter Siegmund How would the amount of available energy differ in the trophic level of the mouse compared to the trophic level of the hawk?

Question illustration
A
Available energy would increase from the mouse to the hawk.
B
Available energy would decrease from the mouse to the hawk.
C
Available energy would initially increase from the mouse to the hawk, and then decrease over time.
D
Available energy would remain the same from the mouse to the hawk.
127

Which of the following best describes the solar radiation absorbed by and radiated from earth?

A
Most incoming solar energy is absorbed by the atmosphere.
B
Only a small fraction of energy radiating from Earth is from the atmosphere.
C
The Earth’s surface is responsible for a small fraction of heat radiation to space.
D
Earth’s surface absorbs little of the energy that strikes as solar radiation.
128

Aquatic organisms that lived hundreds of millions of years ago and were buried in silt and sediment resulted in the formation of _______.

A
coal
B
biomass
C
biofuels
D
petroleum
129

The hydrogen bomb relies on the process of nuclear fission. Please select the best answer from the choices provided

A
T
B
F
130

How might a dependence on fossil fuels lead to international security risks?

A
The greater demand for fossil fuels with decreasing supplies could lead to an increase in competitive action over limited resources.
B
A dependence on fossil fuels could lead more countries to produce oil, leading to greater competition for sales.
C
An increase in dependence on fossil fuels could lead to lower costs for oil, causing disputes between producer and consumer countries.
D
All of the above
131

Which of the following is true of coral?

A
It is located in deep sea regions.
B
It supports few species.
C
It is composed of a single large and complex coral organism.
D
It is composed of thousands of individual coral organisms.
132

Soil composition and horizons vary depending on climate.

A
T
B
F
133

Despite the energy crisis in the 1970s, the United States has

A
increased its dependence on coal energy
B
decreased its dependence on coal energy
C
increased its dependence on foreign oil sources
D
decreased its dependence on foreign oil sources
134

How does the use of nonrenewable resources compare to the use of renewable resources?

A
The use of renewable resources is potentially more harmful to the environment than the use of nonrenewable resources.
B
The use of renewable resources is more common and widespread than the use of nonrenewable resources.
C
The overuse of renewable resources can lead to problems similar to those associated with the use of nonrenewable resources.
D
Renewable resource use is more problematic than the use of nonrenewable resource use.
135

The efforts of governments and businesses toward conservation and preservation have had a positive impact on the environment.

A
T
B
F
136

Having some prior knowledge about your topic is helpful when conducting Internet research.

A
T
B
F
137

Concerns over a global dependence on fossil fuels include environmental, economic, and social consequences.

A
T
B
F
138

When conducting scientific research, any information that is found must be analyzed to determine its validity. Joel is a firm believer that exposure to cold weather can cause the common cold. He conducts online research about this topic. Of the excerpts below, which would be considered biased?

A
The flu and the common cold are caused by viruses.
B
Viruses are passed by contact between people.
C
Cold and flu season occurs when the weather is cold, so there must be a connection.
D
All of the above excerpts are biased.
139

The percentage of a hunter-gatherer society’s diet provided by hunting versus gathering was mostly determined by _______.

A
the climate
B
the types of prey
C
hunting skill
D
the size of the human population
140

Energy that is not passed on from one trophic level to the next is _______.

A
lost as heat
B
returned to the sun
C
destroyed
D
all of the above

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