A) Hadal Zone B) Puerto Rico Trench C) Challenger Deep D) Java Trench
A) DSV Limiting Factor B) Bathyscaphe Trieste C) Alvin D) Deepsea Challenger
A) Pufferfish B) Deep-sea snailfish C) Clownfish D) Anglerfish
A) Ocean pollution B) Undersea earthquakes C) Fragile ecosystems D) Thermal vents
A) High pressure environment B) High temperatures C) Rich in nutrients D) Plentiful sunlight
A) 1960 B) 1955 C) 1980 D) 1975
A) 90% B) 50% C) 80% D) 60%
A) Seafloor spreading B) Subduction zone C) Volcanic eruption D) Glacial carving |