Ch 16 1/3 Question Preview (ID: 1647)
Ch 16.
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The energy that drives surface ocean currents comes from
a) salinity variation
b) wind
c) waves
d) temperature differences
Because of the Coriolis effect, ocean currents in the Northern Hemisphere are deflected to the
a) left
b) north
c) south
d) right
Ocean currents that move toward the poles are
a) cold
b) warm
c) warm in the Northern Hemisphere and cold in the Southern Hemisphere
d) cold in the Northern Hemisphere and warm in the Southern Hemisphere
What causes surface ocean current to be deflected
a) deep currents
b) the Coriolis effect
c) Earth's revolution
d) global winds
The rising of cold water from deeper layers to replace warmer surface water is called
a) the Coriolis effect
b) reflection
c) a surface current
d) upwelling
Which process does NOT decrease the salinity of waater
a) run off from land
b) formation of sea ice
c) precipitation
d) melting of sea ice
Density currents move
a) vertically
b) horizontally
c) north to south
d) east to west
The horizontal distance between two successive crests is called the
a) fetch
b) wave period
c) wave length
d) wave height
The vertical distance between trough and crest is called the
a) fetch
b) wave height
c) wave length
d) wave period
Which of the following is visible evidence of energy passing through water
a) sea arch
b) density tide
c) wave
d) Coriolis effect
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