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