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Geography of the United States

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Quizzes in Geography of the United States

Why does drought-prone California still need flood management?

  • Flooding occurs only outside the United States.
  • Drought means floods are impossible.
  • Precipitation varies greatly, and intense wet periods can still cause flooding.
  • California receives no rain.
Correct answer(s):
  • Precipitation varies greatly, and intense wet periods can still cause flooding.

Which processes help explain California’s varied landforms?

  • Only glacial ice across the whole state
  • Only human construction
  • Tectonics, mountain building, erosion, deposition, and desert processes
  • Only ocean tides
Correct answer(s):
  • Tectonics, mountain building, erosion, deposition, and desert processes

What type of landform is the Central Valley in broad geologic terms?

  • A high alpine plateau only
  • A volcanic island chain
  • A coral atoll
  • A sediment-filled structural basin
Correct answer(s):
  • A sediment-filled structural basin

What is a key seasonal feature of much of California’s Mediterranean-type climate?

  • Wet summers and dry winters everywhere
  • Wetter winters and dry summers
  • Permanent snow at sea level
  • Year-round monsoon rainfall
Correct answer(s):
  • Wetter winters and dry summers

How can mountains create dry regions in California?

  • They generate ocean tides.
  • They force moist air upward and can create rain shadows on the leeward side.
  • They lower every region below sea level.
  • They prevent all cloud formation.
Correct answer(s):
  • They force moist air upward and can create rain shadows on the leeward side.

Why can winter climate affect California’s water supply months later?

  • Winter precipitation vanishes instantly.
  • Sierra Nevada snowpack melts gradually after winter.
  • Snowmelt occurs only in the Pacific Ocean.
  • California uses no mountain water.
Correct answer(s):
  • Sierra Nevada snowpack melts gradually after winter.

Which combination best explains wildfire risk in California?

  • Population alone
  • Rainfall alone
  • Climate, vegetation, wind, settlement patterns, and ignition sources
  • Earthquakes alone
Correct answer(s):
  • Climate, vegetation, wind, settlement patterns, and ignition sources

Why is an earthquake hazard not automatically the same as earthquake risk?

  • Earthquake risk exists only in empty areas.
  • Risk depends only on rainfall.
  • Hazard and risk always mean exactly the same thing.
  • Risk also depends on people, buildings, and infrastructure exposed to the hazard.
Correct answer(s):
  • Risk also depends on people, buildings, and infrastructure exposed to the hazard.

Why can Death Valley reach extreme temperatures?

  • Its desert climate, low elevation, and surrounding topography favor intense heat.
  • It is located in the Arctic.
  • It receives constant ocean fog.
  • It is covered by glaciers year-round.
Correct answer(s):
  • Its desert climate, low elevation, and surrounding topography favor intense heat.

Why do coastal metros face different planning pressures from remote mountain counties?

  • Both have identical settlement patterns.
  • Remote counties contain all major ports.
  • Population density and housing demand differ greatly.
  • Coastal cities have no transport needs.
Correct answer(s):
  • Population density and housing demand differ greatly.

Why does California have large differences in temperature and precipitation?

  • Every region is the same distance from the ocean.
  • California has one elevation throughout.
  • The state is completely flat.
  • Its topography and geography vary greatly.
Correct answer(s):
  • Its topography and geography vary greatly.

Why is mountain snowpack sometimes described as seasonal water storage?

  • It prevents rivers from flowing.
  • It holds winter precipitation that melts later.
  • It creates seawater.
  • It permanently traps all water.
Correct answer(s):
  • It holds winter precipitation that melts later.

Which sectors can be affected by drought in California?

  • Only airports
  • Agriculture, cities, ecosystems, and hydroelectric generation
  • Only movie theaters
  • Only professional sports
Correct answer(s):
  • Agriculture, cities, ecosystems, and hydroelectric generation

Which is an economic cost of major wildfires?

  • Lower emergency costs
  • Property loss and infrastructure damage
  • Guaranteed higher crop yields
  • Permanent elimination of smoke
Correct answer(s):
  • Property loss and infrastructure damage

Movement between which tectonic plates is central to California’s earthquake risk?

  • Nazca and South American plates
  • Pacific and North American plates
  • Eurasian and Indian plates
  • African and Antarctic plates
Correct answer(s):
  • Pacific and North American plates

Why is water management important to both California geography and economics?

  • Water is unrelated to settlement.
  • Water connects farming, urban growth, ecosystems, and physical geography.
  • Cities do not need water infrastructure.
  • California agriculture uses no water.
Correct answer(s):
  • Water connects farming, urban growth, ecosystems, and physical geography.

Why does California contain unusually varied climates and ecosystems?

  • Its large size, north-south extent, elevation range, and coastline create varied conditions.
  • It is the smallest state.
  • It has no mountains.
  • It lies entirely in one tiny valley.
Correct answer(s):
  • Its large size, north-south extent, elevation range, and coastline create varied conditions.

Which west-to-east pattern describes much of California?

  • Coastal mountains, Central Valley, Sierra Nevada, then interior deserts
  • Flat plain from ocean to Nevada
  • Atlantic coast, Appalachians, Great Lakes, then prairie
  • Tundra, rainforest, coral reef, then ice sheet
Correct answer(s):
  • Coastal mountains, Central Valley, Sierra Nevada, then interior deserts

Why is the Central Valley highly productive for agriculture?

  • It receives tropical rain every day.
  • It is covered by permanent snow.
  • Fertile soils combine with irrigation.
  • It has no need for water.
Correct answer(s):
  • Fertile soils combine with irrigation.

How does Sierra Nevada snow affect California farming and cities?

  • It turns farmland into ocean.
  • It has no connection to water supply.
  • Snowmelt contributes to water supplies.
  • It blocks all rivers permanently.
Correct answer(s):
  • Snowmelt contributes to water supplies.