Oil Spills and Marine Ecosystems
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Questions and Answers

Which human activity is the main cause of oil spills in oceans and seas?

  • Industrial pollution from factories
  • Dumping of waste materials from ships
  • Natural disasters like earthquakes
  • Leaking of crude oil from oil rigs (correct)

When did the Exxon Valdez oil spill occur?

  • 20 April 2010
  • 24 March 1989 (correct)
  • 24 March 2001
  • 20 April 1999

How much crude oil was dumped into the Gulf of Alaska during the Exxon Valdez oil spill?

  • 1 billion gallons
  • 11 million gallons (correct)
  • 100,000 gallons
  • 1 million gallons

Which marine creatures were affected by the Exxon Valdez oil spill?

<p>Sea birds and sea otters (D)</p> Signup and view all the answers

What was the cause of the Gulf of Mexico oil spill in 2010?

<p>Explosion and sinking of the Deepwater Horizon oil rig (B)</p> Signup and view all the answers

Which oil spill is considered the worst accident of its kind?

<p>The Gulf of Mexico oil spill (D)</p> Signup and view all the answers

What caused the Exxon Valdez oil spill?

<p>Leaking oil from oil tankers (D)</p> Signup and view all the answers

Which area had more vulnerable wildlife due to large colonies in specific zones?

<p>The Arctic (A)</p> Signup and view all the answers

Which company spent billions of dollars to compensate for environmental and economic loss?

<p>The Exxon Shipping Company (A)</p> Signup and view all the answers

What caused the Deepwater Horizon oil rig to sink into the ocean?

<p>An explosion on an oil rig (C)</p> Signup and view all the answers

Flashcards

Cause of oil spills

Leaking crude oil from oil rigs is the primary cause of oil spills in oceans and seas.

Exxon Valdez spill date

The Exxon Valdez oil spill happened on March 24, 1989.

Exxon Valdez oil amount

Approximately 11 million gallons of crude oil were released into the Gulf of Alaska during the Exxon Valdez spill.

Affected marine life (Exxon Valdez)

Seabirds and sea otters were primarily affected by the oil spill.

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2010 Gulf spill cause

The Deepwater Horizon oil rig explosion and sinking caused the 2010 Gulf of Mexico oil spill.

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Worst oil spill

The Gulf of Mexico oil spill is considered the worst oil spill accident of its kind

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Exxon Valdez cause

A leaking oil tanker caused the Exxon Valdez oil spill.

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Wildlife vulnerability zone

The Arctic area had vulnerable wildlife due to large colonies in specific zones.

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Exxon compensation

Exxon Shipping Company spent billions in compensation for environmental and economic losses.

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Deepwater Horizon sink cause

The Deepwater Horizon oil rig sank due to an explosion on the rig itself.

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Study Notes

Human Activity and Oil Spills

  • Main cause of oil spills in oceans and seas is human activity, particularly oil transportation and drilling.

Exxon Valdez Oil Spill

  • Occurred on March 24, 1989, when the tanker struck a reef in Prince William Sound, Alaska.
  • Approximately 11 million gallons (roughly 257,000 barrels) of crude oil were dumped into the Gulf of Alaska.
  • Marine creatures such as sea otters, harbor seals, and various seabirds were significantly impacted, experiencing population declines and habitat destruction.

Gulf of Mexico Oil Spill (Deepwater Horizon)

  • The Deepwater Horizon oil spill in 2010 was caused by a blowout during drilling operations.
  • It is regarded as the worst oil spill in U.S. history, releasing an estimated 4.9 million barrels of oil into the Gulf of Mexico.
  • BP spent billions of dollars on compensation and cleanup efforts for environmental and economic damages.

Vulnerable Wildlife Areas

  • Areas with large colonies of specific marine wildlife, such as seabirds and seals, were particularly vulnerable to oil spills, affecting their habitats and breeding grounds.

Causes of Oil Spills

  • The Exxon Valdez oil spill was caused by human error and poor management practices, including inadequate safety measures and crew fatigue.
  • The Deepwater Horizon oil rig sank due to a catastrophic blowout, which was exacerbated by failures in equipment and safety protocols.

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Description

Test your knowledge on oil spills and their impact on marine ecosystems with this quiz! Learn about the causes of oil spills, including accidents like the infamous Exxon Valdez incident. Explore the consequences for ocean life and discover ways to prevent future spills.

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