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