Coral Reefs and Phytoplankton
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Questions and Answers

What is the main theme of the video?

  • The impact of climate change on marine life (correct)
  • The art of underwater photography
  • The history of fishing industry
  • The process of coral reef formation

    • Which factor is mentioned as a major threat to coral reefs in the video?

  • Increase in marine protected areas
  • Expansion of sustainable fishing practices
  • Growth of coral bleaching-resistant species
  • Ocean acidification (correct)

    • What is the role of phytoplankton in the context of the video?

  • Causing coral bleaching through toxic secretions
  • Producing oxygen and forming the base of the marine food chain (correct)
  • Serving as a habitat for small fish species
  • Contributing to the formation of underwater caves

    • What is the formula to calculate the gravitational force between two objects?

    <p>F = G * (m1 * m2) / r^2</p> Signup and view all the answers

    What happens to the gravitational force between two objects when the distance between them doubles?

    <p>It becomes one-fourth</p> Signup and view all the answers

    What is the value of acceleration due to gravity on the surface of the Earth?

    <p>9.81 m/s^2</p> Signup and view all the answers

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