Most of the hydrothermal vents and cool-water seeps on the seafloor were discovered during which decade?
A) 1960s
B) 1970s
C) 1980s
D) 1990s
E) since 2000

Question

Quizplus · Accepted Answer

Most of the hydrothermal vents and cool-water seeps on the seafloor were discovered during the 1980s, mainly due to advances in technology such as submersibles and remotely operated vehicles.

Most of the Hydrothermal Vents and Cool-Water Seeps on the Seafloor