During the glacial period, the ocean size __________ because of thermal ______. During the interglacial period, the ocean size _______ because of thermal ________.
shrinks, contraction. increases, expansion.
shrinks, expansion. increases, contraction.
increases, contraction. shrinks, expansion.
increases, expansion,. shrinks, contraction.
Water at the bottom of the ocean is under ________ pressure, and solubility of oxygen ______________ with this.
low, decreases
high, increases.
high, decreases
low, increases
Deep ocean currents derive from differences in ______. These differences derive from: differnences in salinity (more saline, _____ dense), and differences in tempurature (colder, ______ dense).
density, less, more.
pressure, more, less
pressure, less, more.
density. more, more.
Downwelling occurs with a _____ amount, or a ____ density of surface water.
higher, higher.
higher, lower
lower, higher
lower, lower.
The main engine of thermohaline circulation is from the ___________ of water in the __________.
downlwelling, North Pacific
upwelling, North Atlantic
downwelling, North Atlantic
Upwelling, North Pacific
Global warming diminishes downwelling.
Ice sheets affect global radiation balance. They affect ____________ .
outgoing shortwave
incoming longwave
outgoing longwave
incoming shortwave
Ice Sheets are move from higher to lower ________-, and are _______________ of the underlying surface. Alpine Glaciers move from higher to lower ___________, and are _________ of the underlying land surface.
pressure, independant. elevation, dependant.
pressure, dependant. elevation, independant
elevation, independant. pressure, dependant
elevation, dependant. pressure, independent.
The unsaturated zone is ___________ the water table.
above
below
If there is more input of groundwater in an unconfined water table, it will _______. If there is more input in an confined water table, the ___________ will rise.
rise, pressure.
lower, pressure
rise, water table
lower, water table
If the aquifer has larger openings, the groundwater will move _________. If the aquifer has smaller openings, the groundwater will move ___________.
faster, slower.
slower, faster.
The Perched aquifer is located in the unsaturated zone.
There is ________ evaporation of ocean water than input of water into oceans. There is ______________ evaporation on continents and ___________ precipitation.
more, less more
more, less, less
less, more, more
less, more, less