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Artifacts from the Bottom of the Mariana Trench - Quiz
  • 1. What is the deepest part of the Mariana Trench called?
A) Puerto Rico Trench
B) Java Trench
C) Challenger Deep
D) Hadal Zone
  • 2. Which vehicle was used to first reach the bottom of the Mariana Trench in 1960?
A) Alvin
B) Deepsea Challenger
C) DSV Limiting Factor
D) Bathyscaphe Trieste
  • 3. What type of fish was discovered in the Mariana Trench?
A) Pufferfish
B) Deep-sea snailfish
C) Anglerfish
D) Clownfish
  • 4. What is a primary concern regarding debris at the trench's bottom?
A) Fragile ecosystems
B) Ocean pollution
C) Undersea earthquakes
D) Thermal vents
  • 5. What is a notable feature of the Mariana Trench's ecosystem?
A) High pressure environment
B) Rich in nutrients
C) High temperatures
D) Plentiful sunlight
  • 6. What year did Jacques Piccard and Don Walsh first reach the trench's bottom?
A) 1975
B) 1955
C) 1980
D) 1960
  • 7. What percentage of the ocean's depths remains unexplored?
A) 50%
B) 80%
C) 90%
D) 60%
  • 8. How is the Mariana Trench formed geologically?
A) Volcanic eruption
B) Seafloor spreading
C) Subduction zone
D) Glacial carving
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