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