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14. Ocean trenches: • • Are caused by divergence at divergent margins. • • Paral

ID: 109638 • Letter: 1

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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