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