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Exam 1: Introduction to Natural Hazards

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Question 31

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Some flood-control measures intensify the effects of flooding.

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Question 32

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Which of the following natural hazards cause(s) the greatest number of deaths per year in North America?

A) tornadoes and windstorms
B) lightning
C) car crashes
D) earthquakes
E) expansive soil

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Question 33

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What hazardous processes are driven by gravity?

Four of the worst natural disasters in recent years: hurricane Mitch in 1998,flooding along the Yangtze River (China) in 1998,the 2004 Indian Ocean tsunami,and hurricane Katrina in 2005 were exacerbated by

Every area of the globe is subject to at least one natural hazard.

What is meant by exponential growth (of population)?

Natural disasters in developing countries tend to cause more fatalities than similar natural disasters in developed countries.

A lightning bolt expends more energy than a tornado.

How did poor land-use planning affect the outcomes of two of the following disasters: Hurricane Mitch,Honduras,1998; flooding on the Yangtze,1998; the Indian Ocean tsunami,2004; Hurricane Katrina,2005?

Discuss the responsibility scientists have to the public regarding natural hazard forecasting.

The effects of the 1998 ice storm in southern Quebec and Ontario were amplified by the loss of electricity to millions.

What is the approximate residence time of water in the atmosphere?

Which of the following socio-economic factors in a given area tends to lead to greater loss of life and property damage in the event of a disaster?

If a massive rockslide occurred in northern British Columbia and completely covered the floor of a mountain valley with rubble,the event would be called a natural disaster.

Which of the following natural disasters is estimated to be the most expensive in world history?

Discuss problems associated with issuing warnings to the public regarding impending natural hazards.

About which aspects of hazard forecasting can we feel most confident?

Most natural disasters can be forecast from past history of similar events.

A hypothesis is

To reduce risk,avoiding building human infrastructure in hazard-prone areas is usually more cost-effective than is artificial technological control of hazards.