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