Oceans And Seas Flashcards

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1
Q

What percent of the Earth’s surface is covered by water?

A

71%

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2
Q

What percentage of the earth’s water is held in Oceans?

A

96.5%

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3
Q

Which ocean is both the largest and deepest?

A

The Pacific Ocean

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4
Q

What is the name of the deepest part of the ocean, and in which trench can it be found?

A

The Challenger deep in the Marianna Trench

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5
Q

How deep is the deepest part of the ocean in which Marianna trench is found?

A

10,935

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6
Q

Which ocean has the longest coastline?

A

Atlantic Ocean

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7
Q

Historical there have been 4 oceans, being the Arctic , Indian, Pacific and Atlantic however, most countries including the United States now recognize a fifth.

A

The Southern Ocean

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8
Q

What is the average depth of the ocean?

A

3700 m

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9
Q

Which of the following seas lies between Asia and Europe, and is the bounded by Romania , Russia, Turkey, Georgia , Ukraine and Bulgaria ?

A

Black Sea

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10
Q

Name the sea which is off the eastern and south-eastern coast of Spain

A

The Mediterranean Sea

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11
Q

Which Ocean would you find at the northernmost point of the Earth?

A

Arctic Ocean

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12
Q

Name the largest land lock sea in the world?

A

Caspian Sea

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13
Q

Between which two countries is the Tasman sea located?

A

Australia and New Zealand

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14
Q

Covering approximately 20% of the Earth’s surface which Ocean is the second largest?

A

Atlantic

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15
Q

Which manmade waterway connects the pacific and the Atlantic Oceans?

A

Panama Canal

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16
Q

Name the island in the Atlantic Ocean where the North American and Eurasian tectonic plate meet

A

Iceland

17
Q

How many Oceans does the US border?

A

3

18
Q

The island of Madagascar is Surrounded by which Ocean?

A

Indian Ocean

19
Q

In which ocean do you find the huge majority of Oceans?

A

Pacific Ocean

20
Q

The Gulf Stream is a warm ocean current that passes through which ocean?

A

Atlantic

21
Q

According to the world register of marine species, how many marine species are currently known to us.

A

240,000

22
Q

True or false, the Great Barrier Reef is the largest on Earth?

A

True

23
Q

What percent of the world’s oceans are currently protected ?

A

7 percent

24
Q

The great pacific garbage Patch is the largest garbage patch on earth, but roughly how does its size compare to that of France?

A

Triple the size

25
Q

How many Oceans does the equator run through ?

A

3

26
Q

Which ocean does the Amazon river run towards?

A

The Atlantic Ocean

27
Q

The longest mountain range in the world amazingly runs along the sea floor, and is called the mid ocean ridge. Just how long is this range?

A

65000km

28
Q

What percentage of the world’s oceans have been explored and charted by humans.

A

5 %

29
Q

Phytoplankton in the Ocean among other things are very large contributors to producing the planets oxygen. Just how much of the planet oxygen does the ocean produce?

A

50%

30
Q

True or false: there are more stars in our galaxy than there is plastic in the Ocean?

A

False, the 500 times more plastic