A baymouth bar is a manmade feature designed to control wave erosion.

Question 1

Biogenous sediments contain the remains of what?

Answer Submarine canyons

Seamounts

Microscopic organisms

Fish bones and cartilaginous elements

.

4 points

Question 2

Which of the following is NOT part of the passive continental margin?

Answer Continental shelf

Continental slope

Continental rise

Continental trench

.

4 points

Question 3

Some of the most common types of hydrogenous sediment include all of the following EXCEPT:

Answer calcareous ooze.

manganese nodules.

evaporites.

calcium carbonate and metal sulfides.

.

4 points

Question 4

Tides are primarily caused by:

Answer the gravitational pull of the Moon.

the gravitational pull of the Sun.

the gravitational pull of Mars.

the gravitational limitations of the ocean.

.

4 points

Question 5

An emergent coast develops because of:

Answer a drop in sea level.

a coastal area being inundated with water.

longshore currents.

waves.

.

4 points

Question 6

An example of a submergent coastal area would be:

Answer an estuary.

a tributary.

a retreating glacier.

an undersea volcano.

.

4 points

Question 7

The daily tidal range is greatest during __________ tide.

Answer Spring

ebb

neap

Fall

.

4 points

Question 8

Tide height and time can be affected by:

Answer coastline shape.

icebergs.

submergent coasts.

offshore drilling.

.

4 points

Question 9

Which of the following statements is FALSE?

Answer Although the Sun influences the tides, its effect is considerably less than the effect of the Moon.

The energy that creates surface ocean currents comes from prevailing winds.

Elevated wave-cut platforms in Southern California are evidence that this coastal area is emergent.

A baymouth bar is a manmade feature designed to control wave erosion.

.

4 points

Question 10

Where are active continental margins primarily located?

Answer Around the margins of the Indian Ocean

Around the margins of Caspian Sea

Around the margins of the Pacific Ocean

Along the western margin of the Atlantic Ocean

.

4 points

Question 11

Examine Figure 9.4 in your textbook. What do you think is the cause of the “dip” (i.e., decrease) in salinity around the equator? Could it not be argued that higher temperature causes more evaporation from the ocean surface, which, in turn, results in higher salinity content?

Answer

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30 points

Question 12

What are the different types of seafloor sediments, and what are the factors that control the distribution of each major sea sediment type? Where does each major seafloor sediment type tend to accumulate in greatest quantity (i.e., discuss the distribution of these sediments)?

Answer

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