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