The Oceans - Chapter 1: Extent of the Oceans Flashcards

1
Q

Nearly ___ percent of the planet is covered by the global ocean

A

71

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2
Q

____ oceanography is concerned primarily with energy transmission through ocean water, specifically with such items as wave formation and propagation, currents, tides, energy exchange between ocean and atmosphere, and penetration of light and sound

A

physical

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3
Q

____ oceanography is more concerned with the properties of seawater

A

chemical

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4
Q

_____ oceanography is the study of interrelationship of marine life with the oceanic environment

A

biological

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5
Q

____ oceanography deals with the ocean floor and shore and embraces the subjects as submarine topography, geological structure, erosion, and sediment

A

geological

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6
Q

Does the Northern or Southern Hemisphere have more water?

A

Southern

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7
Q

Fun fact: the volume of all land above sea level is only ____ that of the ocean

A

1/18

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8
Q

What is the average elevation of land above sea level?

A

840 m (2750 ft)

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9
Q

What is the average depth of ocean?

A

12,500 feet

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10
Q

If the solid earth were perfectly level and spherical, the oceans would cover it to a depth of more than ____ meters

A

2000

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11
Q

Which ocean is the largest (by far)?

A

Pacific

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12
Q

The Atlantic is a relatively ___ ocean compared to the Pacific

A

narrow

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13
Q

Which is the shallowest ocean?

A

Atlantic

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14
Q

What are some adjacent seas of the Atlantic? (4)

A

Carribean
Gulf of Mexico
Baltic
Mediterranean

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15
Q

Which ocean has the greatest north-south extent?

A

Arctic

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