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Oceania Geography and Environmental Changes

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Oceania Geography and Environmental Changes

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Questions and Answers

What is the approximate amount of land in square miles that Oceania collectively has?

Over 1 million

Over 3 million (correct)

Over 2 million

Over 4 million

How much have global sea levels risen in the last century?

15 centimeters (correct)

20 centimeters

25 centimeters

10 centimeters

What percentage of Australia's population resides in coastal regions?

85% (correct)

80%

75%

90%

What is happening to the wetlands due to rising sea levels?

They are becoming flooded with sea water Signup and view all the answers

What is causing the massive loss of diversity in marine life?

Warming water Signup and view all the answers

What is happening to the land in coastal regions?

It is being eroded Signup and view all the answers

What is the main factor driving the geographical changes affecting Oceania?

Human action Signup and view all the answers

What is the primary source of food and industry for many inhabitants of Oceania?

Fish Signup and view all the answers

What is the main cause of the degradation of the Great Barrier Reef?

Fertilizer runoff and increased water temperatures Signup and view all the answers

How many species of fish are found in the Great Barrier Reef?

1,625 Signup and view all the answers

What percentage of Australia's natural vegetative cover has been cleared?

13% Signup and view all the answers

What is a result of vegetation clearing in Australia?

Increased greenhouse gas emissions Signup and view all the answers

What type of habitat is created when vegetation is cleared?

Edge habitat Signup and view all the answers

What is a consequence of soil salinity in Australia?

Farming becomes difficult Signup and view all the answers

Which of the following invasive species is mentioned in the text as inhabiting cleared vegetation?

Coral trees Signup and view all the answers