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