AnswersFL-2001340-Environmental Science Sem 2The Social Costs of Resource Use

Sustainability Answers

18 verified answers2 views
1
Free Preview

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

T
T
F
F
2
Free Preview

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

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.
4

Energy sustainability can best be achieved by using ______.

A
nonrenewable energy sources
B
renewable energy sources
C
carbon sequestration
D
recycled plastics
5

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.
6

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
7

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

T
T
F
F
8

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

T
T
F
F
9

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
10

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
11

Building green can help conserve natural resources and reduce carbon dioxide emissions.

A
T
B
F
12

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
13

What is the current greatest threat to agricultural sustainability?

A
erosion
B
water pollution
C
air quality
D
all of the above
14

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

A
T
B
F
15

Why are carbon dioxide concentrations expected to increase?

A
Carbon dioxide concentrations are expected to increase, because fossil fuel burning is expected to increase.
B
Carbon dioxide concentrations are expected to increase, because of an increase in agriculture.
C
Carbon dioxide concentrations are expected to increase, because more land will have to be cleared for increasing populations and agricultural use.
D
All of the above
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

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
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

Did you find these answers helpful?

More from this Course

Quiz
19 verified answers

The Social Costs of Resource Use

Quiz
19 verified answers

Human Events and the Environment

Quiz
18 verified answers

Limiting Factors and Humans