14. Ocean trenches: • • Are caused by divergence at divergent margins. • • Paral
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Question
14. Ocean trenches: •
• Are caused by divergence at divergent margins. •
• Parallel continents and island arc volcanoes. •
• Are created at transform boundaries during earthquakes. •
• Are typically only ~10 meters deep.
15. The portion of the continental margin that marks the true edge of the continent is: •
• Continental shelf •
• Continental slope •
• Continental rise •
• Abyssal plain
16. Submarine canyons are believed to be shaped primarily by: •
• Transform faults •
• Rifting •
• Turbidity currents •
• Converging ocean plates
17Sediments found on continental margins are called
Continental
Neritic
Oceanic
Pelagic
18Pelagic sediments are primarily found in the:
Continental shelf
Continental slope
Continental rise
Abyssal plain
19Calcium carbonate will dissolve at an equal rate to its supply at the CCD. What happens
below the CCD?
Calcium carbonate will still dissolve at an equal rate to its supply.
Calcium carbonate will dissolve at faster rate to its supply.
Calcium carbonate will dissolve at a slower rate to its supply.
20Radiolarian ooze is a type of _______________ sediment.
Continental
Oceanic
Neritic
Pelagic
21Water’s high heat capacity allows the ocean water to be:
Cooler than the land around it.
Warmer than the land around it.
The same temperature as the land around it.
Sometimes warmer, sometimes cooler than the land around it.
22What is “heat”?
It is thermal energy.
It results from thermal energy.
It is a measure of kinetic energy.
It is a measure of potential energy.
23Adjacent water molecules are held together by:
van der Waals forces
Covalent bonds
Ionic bonds
Hydrogen bonds
24The thermocline is a layer in the ocean that represents:
Density change due to mixing.
Density change due to salinity.
Density change due to temperature.
Constant density due to salinity.
25In ionic bonding, during the transfer of electrons between two neutrally charged atoms,
one electron moves from one atom to another. What are the new relative charges between the
two atoms?
The giving atom and receiving atom are both negatively charged.
The giving atom is now positively charged and the receiving atom is now negatively
charged.
The giving and receiving atom are both positively charged.
The giving atom is now negatively charged and the receiving atom is now positively
charged.
26.Air __________ at the horse latitudes and creates __________ pressure at the surface.
Sinks, high
Sinks, low
Rises, high
Rises, low
27.The force that causes the wind to blow is called:
Pressure gradient force
Friction
Coriolis forc
Centrifugal force
28.Thermohaline circulation is driven by
Density
Gravity
Latitude
Temperature
Wind
29.Which statement below is not correct concerning Coriolis force?
It causes the winds to deflect to the right in the Northern Hemisphere
It is strongest at the equator
It can cause winds to change direction, but not to increase or decrease in speed
It deflects winds in the opposite directions in the Northern and Southern Hemisphere
30.The California current is an
Eastern boundary current
Western boundary current
Please answer all the multiple choices !
Explanation / Answer
14 answer - Parallel continents and island arc volcanoes
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