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