Geography Final 2
The Marianas Trench, located in the Pacific near ________, is the deepest trench in the oceans.
Guam
El Nino and La Nina occur in the equatorial Pacific.
TRUE
Flowing artesian wells have a potentiometric surface above ground level.
TRUE
Glacial erratics can be the size of a small car.
TRUE
Isostatic rebound in continental crust occurs after glacial melting.
TRUE
Larger waves move faster than smaller waves.
TRUE
Many regions of the world have fertile soils due to the accumulation of loess.
TRUE
Meandering streams are more mature than ungraded streams.
TRUE
Polluted air may be more acidic, leading to more rapid chemical weathering.
TRUE
Reefs tend form below 25 degrees Celsius.
TRUE
Soil moisture is an important reservoir for groundwater systems.
TRUE
Streams will continue to down cut until they reach base level.
TRUE
The intertidal zone contains land that is sometimes not submerged underwater.
TRUE
There are locations on Earth where water exists in all three phases at once.
TRUE
Wetlands naturally purify water.
TRUE
Which of the following would be the most likely material creating an aquitard?
clay
River-flood deposits make good soils because they tend to be rich in
clay minerals
California has numerous beaches riddled with sea stacks, which are remnants of
collapsed sea arches
When two streams come together, it is called a
confluence
Submarine canyons are located on
continental shelves
__________ is the reason a pilot would need to veer right when trying to fly to a city directly north of departing location.
corolis effect
________ is the most common stream pattern.
dendritic
In open ocean, ________ occur(s) when wave crests converge with troughs and cancel each other out.
destructive interference
Karst landscapes are created by...
dissolution
The boundary between slopes that contribute water to different drainage basins is a...
drainage divide
The accumulation of excess nutrients that stimulate freshwater plant growth may lead to which of the following processes?
eutrophication
Topple is an example of a
fall
When looking at areas of past glacial evidence, waterfalls are associated with
hanging valleys
The profundal or aphotic zone of a large body of water
has little or no sunlight
Which of the following is not a significant factor making the deep ocean difficult to inhabit?
high salinity content
Which of the following is not a mechanical weathering process?
hydrolysis
When a stream reaches the bank-full stage,
it reaches its highest velocity
In landfills, rainwater flows through the refuse and becomes contaminated ________ which can be treated at a sewage treatment plant.
leachate
The point at which a stream comes into a large body of water is called the
mouth
__________ provide the foundation of the global food web of species on Earth.
phytoplankton
Underlying rock is eroded by glaciers by
plucking
Which of the following drainage pattern would be associated with an isolated hill?
radial
Which of the following types of mass movement is not typically associated with water?
rock slide
The term for the intermittent movement of sediments along the stream bed is
saltation
New Orleans is an example of
slow subsidence
All of the following are necessary components of soil except
talus
Approximately ____ of the water on Earth is considered freshwater or contains low concentrations of salts.
3%
Which of the following is not true of stream velocity?
A - water flows faster B - stream bed sediment size C - during a flood velocity increases NOT - increased velocity allows for larger particles to move by saltation
The process of soil creep is created by...
All of these - gravity, freezing and thawing of the soil, frequent wetting and drying of the soil
Leaching takes place in the ____ soil horizon.
E
Downwelling occurs in the equitorial regions bringing high quantities of nutrients to equitorial waters.
FALSE
Most of ocean life lives in the aphotic zone.
FALSE
Point bars develop on the outside curve of meandering streams.
FALSE
Salinity demonstrates consistent concentrations throughout all the oceans on Earth.
FALSE
The Sun's gravitation pull on the earth is twice that of the Moon's pull.
FALSE
The amplitude is the horizontal distance between the troughs of a wave.
FALSE
The solubility of ions in a stream's dissolved load is directly proportional to its velocity.
FALSE
Waves action occurs perpendicular to a shoreline.
FALSE
Which continental divide separates the central United States and Canada?
Laurentian
The ________ zone does not receive sunlight.
NOT - photic A - oceanic NOT - neritic C - intertidal
Which of the following is not directly associated with longshore drift?
NOT - swash A - backwash B - rip currents NOT - longshore currents
Which of the following would be most likely to experience severe flooding?
NOT - wetlands
Which of the following is not a type of glacier?
Ocean
_______ brings warmer temperatures and a moderate climate to Europe.
The Gulf Stream
Freshly created volcanic soils are called
andisols
A layer of rock or sediment that contains abundant water and sufficient permeability is a (an)...
aquifer
Caliche typically forms in _______ regions.
arid
Bangladesh has a water quality problem with wells containing high levels of
arsenic
Which of the following is associated with coarse sediments and strong flowing water?
barren zones
__________ can develop where there is more sediment than a stream can transport.
braided streams
___________ are consistent winds that flow east to west between the equator and 30 degrees North and 30 degrees South.
trade winds
_______ are caused by a rapid displacement of ocean water.
tsumanis
Exfoliation is the result of which of the following processes?
unloading
In order for a stream to move larger particles, the _______ would need to increase.
velocity
Stones that have become polished and faceted due to abrasion by sand particles in the desert are called
ventifacts
Which of the following is associated with increased hurricanes in the Gulf of Mexico and the Carribbean?
warmer waters provide heat to tropical storms
The uppermost layer of the groundwater saturation zone is the...
water table
The primary cause of headland erosion and coastal straightening is
wave refraction
Ocean surface currents are driven by
wind
