What record does Sylvia Earle hold?
A. the deepest untethered sea walk by a woman
B. the first successful escape from a diving bell
C. the deepest dive in history
D. the longest time spent researching the sea floor
A. the deepest untethered sea walk by a woman
B. the first successful escape from a diving bell
C. the deepest dive in history
D. the longest time spent researching the sea floor