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What causes the most deaths from a hurricane?
falling trees and buildings
It varies, depending on the storm.
storm surge
strong winds
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Which state ranks first in lightning-related deaths?
Oklahoma
California
Texas
Michigan
Florida
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What is generally considered the driest place on earth?
Atacama Desert (northern Chile)
Kalahari Desert (Southern Africa)
Gobi Desert
Sahara
Death Valley
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What is the official definition of a blizzard?
Sustained winds or frequest gusts to 15 mph or greater for at least two hours with considerable falling and/or blowing snow reducing visiblity to less than one mile.
Sustained winds or frequest gusts to 25 mph or greater for at least four hours with considerable falling and/or blowing snow reducing visiblity to less than 1/2 mile.
Sustained winds or frequest gusts to 35 mph or greater for at least three hours with considerable falling and/or blowing snow reducing visiblity to less than 1/4 mile.
Sustained winds or frequest gusts to 45 mph or greater for at least two hours with considerable falling and/or blowing snow reducing visiblity to less than 1/8 mile.
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Hurricanes that occur in the Pacific Ocean are called
twisters
typhoons
tsunamis
hailstorms
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Why are tornadoes most frequent in the afternoon and evening?
Due to heat build-up from rush-hour traffic.
Because the sun is starting to set.
Because gamma-ray incidence is boosted, due to the late-afternoon curvature of Earth's magnetic field.
Because heat has built up over the day of sunshine, increasing the temperature difference that helps power tornadoes.
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What is a cold front?
a warm and cold air boundary with cold air advancing
a warm and cold air boundary with neither cold nor warm air advancing
an area of high pressure
a warm and cold air boundary with warm air advancing
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Which of the following is the meterological name for a stormcloud carrying rain:
They can all carry water
Cumulonimbus
Cumulus
Cirrus
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What country usually has the most tornados?
Australia
United States
China
Bolivia
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What creates wind?
differences in air temperature
the tidal pull of the moon
differences in air pressure
moisture in the air
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If you were to compare the climate of Kabul, Afghanistan, to a North American city, which of the following is the closest match?
Mexico City
Winnemucka, Nev.
Caribou, Maine
Portland, Ore.
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Cirrus clouds are usually high, wispy clouds. What are they mainly made of?
Snow
Water droplets
Ice crystals
raindrops
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The basic cause of the greenhouse effect is
the burning of fossil fuels.
forest clearing of the Amazon
both
neither
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Where is the safest place to be during a lightning storm?
In a car
In the middle of a field
In a building
Lying face down on the ground
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An anemometer measures...
temperature
air pressure
wind speed
humidity