AnswersMFISD ENVIRONMENTAL SYSTEMS B 22-23 CRUnit Test

Unit Test — Unit test Answers

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1
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How is an ecological footprint determined?

A
An ecological footprint is determined by measuring the average amount of land and water that a person in a region uses.
B
An ecological footprint is determined by measuring carbon dioxide emissions for a given region.
C
An ecological footprint is determined by measuring the rate of water use.
D
An ecological footprint is determined by measuring the amount of waste generated in a given region.
2
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Renewable resources can be used without worry about consequences to the environment.

A
T
B
F
3

Which of the following statements about the effects of agricultural techniques on the environment is true?

A
Fertilizer used for agriculture can enter bodies of water, causing eventual oxygen depletion.
B
Pesticides and herbicides are potentially harmful to bodies of water only before they degrade.
C
Agricultural practices have limited impact on the surrounding environment.
D
Tillage is an important agricultural practice that has no known environmental impact.
4

The U.S.-Mexico border 2012 program’s goal is to _______.

A
prevent illegal immigration
B
improve transboundary ecosystem health
C
promote joint economic development
D
reintroduce endangered species
5

Rainforests around the world are being cleared at an alarming rate to make room for new communities, agriculture, mining, and roads, and to provide lumber for construction and furniture. How might the destruction of rainforests affect the balance of gases in Earth's atmosphere?

A
by increasing carbon dioxide and decreasing oxygen
B
by increasing carbon dioxide and increasing oxygen
C
by decreasing carbon dioxide and increasing oxygen
D
by decreasing carbon dioxideand decreasing oxygen
6

Which human activity is correctly paired with the greenhouse gas that it increases?

A
rice cultivation and water vapor
B
landfilling and carbon dioxide
C
deforestation and methane
D
sewage treatment and nitrous oxide
7

How do natural disasters weaken a community’s social infrastructure?

A
Social systems are unbalanced by the damage caused by natural disasters.
B
Natural disasters tend to target the poorest members of a community.
C
The number of natural disasters is increasing across the globe.
D
Natural disasters can cause billions of dollars in property damage.
8

It is best to say that the protection to properties offered by sea walls along coasts _______.

A
decreases the present and future risk to human properties
B
increases both the present and future risk to human properties
C
decreases the present but increases the future risk
D
increases the present but decreases the future risk
9

Collaborations between environmental groups and business interests on environmental issues have resulted in successful partnerships.

A
T
B
F
10

Large-scale environmental catastrophes _______.

A
result from human activities
B
have a negative impact on ecosystems
C
affect a variety of environmental factors
D
all of the above
11

Which sustainable practice is paired correctly with its impact on the environment?

A
Using bamboo results in an increased use of forest trees.
B
Practicing contour plowing results in a need for more land.
C
Setting irrigation systems to run longer results in a reduction of water use.
D
Building more wind farms results in a reduction of fossil fuel use.
12

Which of the following is not a way in which carbon sequestration can benefit soil?

A
decreased erosion
B
increased water quality
C
increased water storage
D
increased soil quality
13

Efforts are being made to restore and protect the critical wetland and estuary ecosystems.

A
T
B
F
14

What are sustainable use practices?

A
any materials that exist in nature and that are used by humans
B
the managed consumption of natural resources to prevent their depletion or environmental destruction
C
the deployment of fossil fuels to environments that previously did not have access to such resources
D
ways in which individuals are able to conserve native animal and plant species
15

Which of the following substitutions can help reduce air pollution?

A
using a bike instead of a car
B
using dumps instead of landfills
C
using coal instead of oil
D
using fireplaces instead of a wind farms
16

How do conservation tillage practices lead to agricultural sustainability?

A
Conservation tillage practices reduce the amount of water required to grow crops.
B
Conservation tillage practices help reduce soil erosion and maintain soil nutrient levels.
C
Conservation tillage practices naturally protect crops from insect damage, reducing the need for pesticides.
D
Conservation tillage practices reduce the amount of energy needed to produce crops.
17

Which results from an increase in the greenhouse effect?

A
continental shifts
B
wildfires
C
volcanic eruptions
D
global warming
18

Which of the following large-scale environmental catastrophes has the least effect on aquatic ecosystems?

A
oil spills
B
deforestation
C
global warming
D
pollution
19

Tillage can release pollutants in the soil and

A
increase erosion.
B
decrease erosion.
C
promote soil compaction.
D
promote fertilizer retention.
20

One of the infrastructure challenges of community redevelopment programs is to establish safe, clean, sources of drinking water.

A
T
B
F

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