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