AnswersFL-2001340-Environmental Science Sem 2Sustainability

Sustainability Answers

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1
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Which of the following energy sources is expected to have the least growth in the next 20 years?

A
hydroelectricity
B
coal
C
natural gas
D
nonhydro renewables
2
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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.
3

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

A
global warming
B
increased agriculture
C
water pollution
D
erosion
4

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.
5

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

A
coal
B
natural gas
C
renewable energy
D
all of the above
6

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

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