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

Human Events and the Environment Answers

19 verified answers1 views
1
Free Preview

Large-scale fires can lead to a decrease in atmospheric carbon dioxide.

A
T
B
F
2
Free Preview

What sometimes occurs when reclaimed water is used in agriculture?

A
crop death
B
overtillage
C
pharmaceutical accumulation
D
increased land use
3

Which of the following is a consequence of sedimentation to wetlands?

A
increased biodiversity
B
water quality improvement
C
habitat loss
D
decreased turbidity
4

Dryland planting can benefit the environment by reducing the need for tillage.

A
T
B
F
5

Which of the following statements about pesticides and herbicides is not true?

A
They can enter waterways, polluting them.
B
Once the pesticides and herbicides break down, they are no longer harmful.
C
Pesticides and herbicides are widely used in agriculture.
D
Pesticides and herbicides can have negative effects on the environment.
6

Dead zones in waterways can occur as the result of fertilizer runoff.

A
T
B
F
7

How can fertilizer use be detrimental to the environment?

A
It can enter waterways, causing them to accumulate an excess of nutrients.
B
High levels of fertilizer in bodies of water can lead to excess algal growth.
C
Fertilizer can lead to oxygen depletion, and be harmful to organisms in waterways.
D
All of the above
8

Which choice is an example of an effect of agricultural techniques on the environment?

A
increased oxygen levels in a pond due to fertilizer runoff
B
sediment accumulation in a lake near a farm
C
soil compaction caused by tillage
D
increased plant growth caused by application of herbicides
9

Sedimentation increases with an increase in land used for agriculture.

A
T
B
F
10

How is the environment affected by a large-scale oil spill?

A
Large-scale oil spills are the largest contributor to air pollution.
B
Large-scale oil spills lead directly to wetlands becoming deserts.
C
Large-scale oil spills are damaging to water quality, aquatic life, and bird populations.
D
Large-scale oil spills can lead to an increase in sea levels through glacial melting.
11

Tillage can release pollutants in the soil and

A
increase erosion.
B
decrease erosion.
C
promote soil compaction.
D
promote fertilizer retention.
12

Degradates, unlike their parent compounds, are always completely harmless.

A
T
B
F
13

How can global warming lead to changes to the Earth’s surface?

A
Global warming can lead to an increased number of earthquakes, which change the Earth’s surface.
B
Global warming can lead to glaciers melting, causing flooding to areas and the decrease of glacial land masses.
C
Global warming leads to a decrease in water levels of coastal wetlands.
D
Global warming cannot lead to changes to the Earth’s surface.
14

Which of the following was an environmental consequence of the nuclear meltdown at Chernobyl?

A
evacuation of Pripyat
B
high levels of radiation
C
increased CO2 levels
D
none of the above
15

Which of the following factors can lead to desertification in the presence of natural drought?

A
deforestation
B
sustainable grazing
C
underground mining
D
all of the above
16

Environmental catastrophes can cause changes to the Earth’s surface.

A
T
B
F
17

What is the purpose of the Climate Friendly Farming Project?

A
close down farms that do not follow climate friendly practices
B
decrease the number of agricultural facilities by 1/3 in ten years
C
create a database of climate friendly agricultural practices
D
convert all farms to climate friendly practices
18

How can the practice of tillage be harmful to the overall environment?

A
It can impact waterways through sedimentation and pollution.
B
It is harmful to the soil that is tilled.
C
Tillage decreases overall crop productivity.
D
All of the above
19

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

Did you find these answers helpful?

More from this Course

Quiz
19 verified answers

The Social Costs of Resource Use

Quiz
18 verified answers

Limiting Factors and Humans

Quiz
18 verified answers

Natural Events and the Environment