AnswersSNHS NV-Environmental ScienceLife and Earth's Crust

Human Events and the Environment Answers

0 verified answers3 views
1
Free Preview

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
2
Free Preview

Tillage can release pollutants in the soil and

A
increase erosion.
B
decrease erosion.
C
promote soil compaction.
D
promote fertilizer retention.
3

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
4

What sometimes occurs when reclaimed water is used in agriculture?

A
crop death
B
overtillage
C
pharmaceutical accumulation
D
increased land use
5

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
6

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

A
T
B
F
7

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
8

Sedimentation increases with an increase in land used for agriculture.

A
T
B
F
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.
10

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

Did you find these answers helpful?

More from this Course

Quiz
3 verified answers

Life and Earth's Crust

Quiz
10 verified answers

What Are Natural Resources?

Quiz
8 verified answers

Renewable Resources