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) Puerto Rico Trench
D) Hadal Zone
- 2. Which vehicle was used to first reach the bottom of the Mariana Trench in 1960?
A) Deepsea Challenger
B) Alvin
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) Undersea earthquakes
C) Thermal vents
D) Ocean pollution
- 5. What year did Jacques Piccard and Don Walsh first reach the trench's bottom?
A) 1960
B) 1980
C) 1975
D) 1955
- 6. How is the Mariana Trench formed geologically?
A) Subduction zone
B) Seafloor spreading
C) Volcanic eruption
D) Glacial carving
- 7. What percentage of the ocean's depths remains unexplored?
A) 50%
B) 80%
C) 60%
D) 90%
- 8. What is a notable feature of the Mariana Trench's ecosystem?
A) High pressure environment
B) High temperatures
C) Rich in nutrients
D) Plentiful sunlight
|