AnswersAZ-Environmental Science BCumulative Exam

Cumulative Exam — Cumulative exam Answers

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1
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Flooding on rivers is caused by human activity rather than natural events.

A
T
B
F
2
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Reclamation restores an environment affected by mining to a state where it can sustain its ecosystem.

A
T
B
F
3

The Kyoto protocol works by _______.

A
mandatory involvement
B
voluntary involvement
C
imposing trade restrictions on nonparticipating countries
D
offering monetary rewards to participating countries
4

Which of the following statements about pesticides is true?

A
Pesticides provide plants with essential nutrients.
B
Pesticides prevent the destruction of crops.
C
Pesticides are never harmful to plants.
D
Pesticides are never harmful to animals.
5

A scientist measured an increase in nitrous oxide in the atmosphere. This increase would result in

A
an increase in the greenhouse effect.
B
a decrease in the greenhouse effect.
C
no change in the greenhouse effect.
D
a stabilization of the greenhouse effect.
6

How can resource conservation benefit the environment?

A
Resource conservation can help preserve natural habitats.
B
Resource conservation can reduce water pollution.
C
Resource conservation can reduce air pollution.
D
All of the above
7

Changes to the global climate could include _______.

A
changes to temperature
B
changes to pressure
C
changes to precipitation
D
all of the above
8

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
9

Which of the following is not a negative consequence of upward urban growth?

A
pollution
B
creation of a “heat island”
C
increased use of surrounding land
D
waste management issues
10

Which of the following best explains why buildings tip during earthquakes?

A
Seismic waves damage buildings’ foundations.
B
The liquefaction of solid soil undermines buildings’ foundations.
C
Body waves break underground water pipes.
D
Surface faulting moves the ground in different directions.
11

Ozone is formed when _______.

A
two oxygen molecules combine
B
an individual oxygen atom combines with an oxygen molecule
C
ultraviolet radiation breaks apart four oxygen molecules
D
oxygen molecules are broken into separate atoms
12

The introduction of Caulerpa, also known as killer algae, into California was ultimately the result of _______.

A
hull fouling
B
the aquarium trade in exotic, nonnative aquatic species
C
intentional release
D
an algae farming company
13

Which of the following methods of agriculture is best suited to the use of large plowing and harvesting equipment?

A
rangeland grazing
B
American agriculture
C
traditional rice cultivation
D
Dutch agriculture
14

Which of the following statements about turning points in environmental policy is true?

A
Environmental policy has changed over time as a result of pressure from industry.
B
Turning points in environmental policy were typically the result of urban expansion.
C
Turning points in environmental policy have come about through increased public awareness.
D
Environmental policy has changed little over the history of the United States.
15

Zoning laws establish _______.

A
what types of buildings can be built in an area
B
the uses an area of land can be put to
C
who can live in an area
D
the types of business that can occupy a building
16

Which of the following best explains why soil conservation is important to human agriculture?

A
Erosion prevention prevents millions of dollars in damage from mudslides.
B
It is easier to prevent the degradation of old soil than it is to generate new soil.
C
If the soil salinity gets too high crops will not be able to grow in it.
D
Soil contamination is a hazard to human and animal health.
17

Which of the following is a difficulty associated with environmental protection?

A
cost
B
unpredictability
C
sustainability
D
all of the above
18

Which of the following is not a manmade cause of global warming?

A
burning fossil fuels
B
deforestation
C
respiration
D
population growth
19

In addition to liquid precipitation, which are present when freezing rain occurs?

A
ice pellets
B
snowflakes
C
cold surfaces
D
warm temperatures
20

What is the most important consideration for environmental policy makers?

A
popular opinion
B
environmental health
C
cost
D
none of the above

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