Sustainability Answers

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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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A local farmer began to follow a more sustainable practice. As a result, his levels of carbon emissions decreased by fifty percent. The soil quality will most likely

A
increase
B
decrease
C
stay the same
3

Good land and production practices can help increase greenhouse gas emissions.

A
T
B
F
4

Which of the following is not a direct consequence of groundwater use?

A
reduced water storage
B
increased surface water levels
C
reduced river flow
D
decreased spring discharge
5

Decreasing the use of pesticides and herbicides can help agricultural sustainability.

A
T
B
F
6

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

A
T
B
F
7

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
8

What is the current greatest threat to agricultural sustainability?

A
erosion
B
water pollution
C
air quality
D
all of the above
9

The chart below indicates the levels of three aquifers in a local community. Level of Input and Output in Three Aquifers AquiferInput and OutputAquifer 1Input: 360 gallonsOutput: 600 gallonsAquifer 2Input: 521 gallonsOutput: 500 gallonsAquifer 3Input: 200 gallonsOutput: 300 gallonsWhich best describes the aquifers?

A
Aquifers 1 and 3 may result in a reduced river flow.
B
Aquifer 2 may result in reduced surface water levels.
C
Aquifers 2 and 3 may result in decreased wetland and spring discharge.
D
Aquifer 3 may result in an increase in productivity.
10

Energy sustainability can best be achieved by using ______.

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

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