Chapter 9 the hydrosphere
thousand
the amount of salt content of ocean water isabout 35 parts per ___
grassland
the difference between marshes and swamps is mainly one of trees vs. ____
gravity
the force that supplies the energy for percolation is
earth and moon
the highest tides occur when the ___ and ____ and sun are lined up
polar
The regions in which ocean waters generally have the least salinity in is
wind
primarily, ocean currents are set in motion by
Pacific
The ocean that is surrounded by most of the worlds major volcanoes is:
Caspian sea
___ ___ is one of the largest lakes that is saline
Carbonic acid
___ is making the oceans progressively acidic
berg
a chunk of independently floating ice is an ice ____
86%
approximately ___% of all atmospheric water comes from ocean surfaces
aquifer
at some locations a(n) _____ in the confined water zone is a sloping or dipping layer that reaches to, or almost to, the surface
permeability
clay has high porosity and low ____ because it has a great many, small interstices
permafrost
ice when frozen year-round in the ground is termed
depleting
in Las vegas Nevada the groundwater supply is
small
in terms of the total global supply of water, ____ % is in circulation at any one time
glaciated
lakes are common in areas which have been recently
liquid
most of earths water is stored on the surface in ___ form
glaciation
most of the lakes in the north central US exist as a result of
pack
most of the surface of the arctic ocean is covered by ____ ice
glaciers
not including the oceans, the storage area that contains the most water is
energy
the movement of a wave across the surface of the ocean is a movement of ____ rather than matter
indian
the ocean that has the most of its surface south of the equator is
40
the percentage of the earths lake water is salty is:
gravity
the primary vertical motion of all ocean water is caused by
evaporation
the process in which liquid water is changed to water vapor is
porosity
the quantity of water that can be held in subsurface rock or soil depends on the ____ of the material
runoff
the reason land surfaces do not flood and oceans do not dry up as a result of imbalances in the hydro-logic cycle is a process called
Arctic
the shallowest ocean in the world
moons`
the tides migrate following the ___ course around earth
convection
vertical uplift of water vapor in the atmosphere is known as
three
water that is not found in oceans accounts for about __% of the worlds total water
groundwater
within the zone of saturation is found water known as