AnswersFL-2001340-Environmental Science Sem 2Milestones and Turning Points

Milestones and Turning Points — Cumulative exam Answers

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Which of the following organisms feed on the detritus found in wetlands?

A
aquatic insects
B
birds
C
reptiles
D
predatory fish
42
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Which of the following statements about air pollution is not true?

A
Air pollution is caused by natural and human processes.
B
Carbon monoxide and sulfur oxides are common air pollutants.
C
Natural components of air, like carbon dioxide, cannot be considered air pollutants.
D
Primary and secondary pollutants are harmful to human health and the environment.
43

Which of the following is not a way that oil production could potentially affect aquatic viability?

A
marine oil spills during transportation
B
offshore oil drilling
C
interruption of water flow
D
contamination from waste products
44

Why are a variety of instruments needed to measure change in the climate system?

A
A different type of instrument is needed for each different climate.
B
The climate system involves a number of different factors that are measured differently.
C
Climate is determined over a number of years, rather than a short period of time.
D
Different areas have developed different instruments to measure climate change.
45

Competitive exclusion controls population size.

A
T
B
F
46

Groundwater is an underutilized source of freshwater.

A
T
B
F
47

Under maritime law, cruise ships are not allowed to discharge their garbage at sea.

A
T
B
F
48

Which of the following species is an R-selected species?

A
Giant tortoises
B
Mosquitoes
C
Elephants
D
Redwoods
49

Forests are the largest terrestrial carbon sink.

A
T
B
F
50

Climate change caused by natural disasters cannot have a negative impact on ecosystems.

A
T
B
F
51

Which of the following is a major property of ocean water?

A
salinity
B
pressure
C
mineral content
D
plankton content
52

How has technology benefited energy production?

A
It has provided for the use of alternate energy sources that have reduced impact on the environment.
B
It has allowed for the use of energy sources that are renewable.
C
It has allowed for the improvement of existing methods of producing energy.
D
All of the above
53

Which of the following best explains why air pollution that was once blamed for global cooling is now considered responsible for global warming?

A
Pollution began reflecting sunlight and heat rather than absorbing it.
B
Evidence of global warming became overwhelming.
C
Scientists mistakenly thought pollution reflected sunlight and heat rather than absorbed it.
D
Congress required scientists to assign a cause to global climate change.
54

Which of the following factors will not affect a balanced physiology?

A
elevation
B
precipitation type
C
humidity
D
sun exposure

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