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