AnswersDRHS GA-GSE Environmental ScienceHuman Events and the Environment

Sustainability Answers

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1
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How is the world population projected to change in the next few decades?

A
It is projected to level off.
B
It is projected to decrease steadily.
C
It is projected to increase steadily.
D
It is projected to double within 5 years.
2
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4

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
5

Which of the following is the most likely cause for future water shortages?

A
global warming
B
increased agriculture
C
water pollution
D
erosion
8

How do conservation tillage practices in agriculture benefit the soil?

A
They increase soil erosion rates.
B
They decrease water absorption.
C
They decrease water storage.
D
They increase soil nutrient levels.
9

How can recycling materials lead to environmental sustainability?

A
Recycling materials helps decrease the amount of new materials taken from the environment.
B
Recycling materials helps increase the rate of carbon sequestration.
C
By recycling materials, the amount of biomass available for energy purposes is increased.
D
All of the above
10

Energy sustainability can best be achieved by using ______.

A
nonrenewable energy sources
B
renewable energy sources
C
carbon sequestration
D
recycled plastics
12

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Answer not available
13

More than 50% of ecosystems are currently being used unsustainably.

A
T
B
F
14

Increases in the world’s population will require an increase in sustainable practices.

A
T
B
F
15

Aquifer

A
Aquifers 1 and 3 may result in a reduced river flow.
A
Aquifer 2 may result in reduced surface water levels.
A
Aquifers 2 and 3 may result in decreased wetland and spring discharge.
A
Aquifer 3 may result in an increase in productivity.
16

The use of _______ is expected to increase in the future.

A
coal
B
natural gas
C
renewable energy
D
all of the above
17

How is the world population projected to change in the next few decades?

A
It is projected to level off.
B
It is projected to decrease steadily.
C
It is projected to increase steadily.
D
It is projected to double within 5 years.
18

Which of the following is the most likely cause for future water shortages?

A
global warming
B
increased agriculture
C
water pollution
D
erosion
19

The use of _______ is expected to increase in the future.

A
coal
B
natural gas
C
renewable energy
D
all of the above
20

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.

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