Natural Events and the Environment Answers

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1
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Explain how human activities can intensify, or even cause a landslide.

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2
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Coastal urbanization does not increase the risk to human communities from which of the following natural disasters?

A
earthquakes
B
floods
C
hurricanes
D
cyclones
3

Explain how the disposal of human waste could worsen the effects of hurricanes on coastal communities.

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4

Distinguish between the different ways volcanoes cause damage.

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5

Explain how deforestation can permanently increase an area’s risk of flooding.

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6

Which of the following is true concerning hurricanes?

A
They tend to deposit more sediment than they remove.
B
Their storm surges cause widespread flooding.
C
They have fast, but generally weak wind gusts.
D
They do not alter landscapes significantly.
7

Breaks in which of the following led to the flooding of New Orleans during Hurricane Katrina?

A
sea walls
B
groins
C
levees
D
barrier roads
8

Tsunamis are the result of _______.

A
undersea volcanic eruptions
B
undersea earthquakes
C
hurricanes
D
all of the above
9

What distinguishes surface and body seismic waves?

Answer not available
10

The mixture of water and rubble that flows from the slope of a volcano is a _______.

A
pyroclastic flow
B
fumaroles
C
tephra
D
lahar

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