Oceania Geography and Environmental Challenges Quiz
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Oceania Geography and Environmental Challenges Quiz

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@AccomplishedBixbite

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Questions and Answers

What is contributing to the degradation of the Great Barrier Reef?

  • Overfishing and coastal development
  • Increasing water temperatures and excessive nutrients from fertilizer runoff (correct)
  • Industrial pollution and oil spills
  • Acid rain and plastic pollution

    • How many species of fish does the Great Barrier Reef house?

  • 3,500 species
  • 1,625 species (correct)
  • 750 species
  • 2,000 species

    • What percentage of Australia's natural vegetative cover has been cleared for agriculture or industry?

  • 13% (correct)
  • 5%
  • 25%
  • 40%

    • What are the consequences of vegetation clearing in Australia?

    <p>Increased greenhouse gas emissions, soil erosion, and soil salinity</p> Signup and view all the answers

    What type of habitat is created when vegetation is cleared?

    <p>Edge habitat</p> Signup and view all the answers

    What makes farming difficult and fresh water hard to come by in Australia?

    <p>Salt deposits in the soil</p> Signup and view all the answers

    What are the main contributors to the degradation of the Great Barrier Reef?

    <p>Increasing water temperatures and excessive nutrients from fertilizer runoff</p> Signup and view all the answers

    What is the impact of vegetation clearing on terrestrial biodiversity?

    <p>Overall decrease in terrestrial biodiversity</p> Signup and view all the answers

    What has contributed to the discernible increase in water temperature in Oceania?

    <p>Climate change</p> Signup and view all the answers

    What percentage of the Australian population resides in coastal regions?

    <p>85%</p> Signup and view all the answers

    What has been the approximate rise in global sea levels in the last century?

    <p>15 centimeters</p> Signup and view all the answers

    What impact do rising sea levels have on wetlands in Oceania?

    <p>Causing the environment to be inhospitable and too saline for certain species</p> Signup and view all the answers

    What is the total land area of the continent Oceania?

    <p>Over 3 million square miles</p> Signup and view all the answers

    What are the primary drivers of the geographical changes affecting Australia and the Pacific Islands?

    <p>Human action</p> Signup and view all the answers

    What impact has the increased water temperature had on marine life in Oceania?

    <p>Massive loss of diversity</p> Signup and view all the answers

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