The Importance of Water — Unit test Answers

0 verified answers
1
Free Preview

Which of the following factors can lead to desertification in the presence of natural drought?a.deforestationb.sustainable grazingc.underground miningd.all of the above

A
A
B
B
C
C
D
D
2
Free Preview

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.

A
A
B
B
C
C
D
D
3

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

A
T
B
F
4

Tillage can release pollutants in the soil and

A
increase erosion.
B
decrease erosion.
C
promote soil compaction.
D
promote fertilizer retention.
5

What is the purpose of the Climate Friendly Farming Project?a.close down farms that do not follow climate friendly practicesb.decrease the number of agricultural facilities by 1/3 in ten yearsc.create a database of climate friendly agricultural practicesd.convert all farms to climate friendly practices

A
A
B
B
C
C
D
D
6

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

A
A
B
B
C
C
D
D
7

Which of the following was an environmental consequence of the nuclear meltdown at Chernobyl?a.evacuation of Pripyatb.high levels of radiationc.increased CO2 levelsd.none of the above

A
A
B
B
C
C
D
D
8

What sometimes occurs when reclaimed water is used in agriculture?a.crop deathb.overtillagec.pharmaceutical accumulationd.increased land use

A
A
B
B
C
C
D
D
9

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.

A
A
B
B
C
C
D
D
10

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

Did you find these answers helpful?