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