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