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2 votes
Ocean divers:

must breathe a mixture of oxygen and helium
cannot withstand the pressure of the ocean without special equipment
may one day breathe with artificial gills
all of the above

User Bohrax
by
6.0k points

2 Answers

6 votes

Answer:

im not sure but i think b. cannot withstand the pressure...

if not all the above.

Step-by-step explanation:

User Hearn
by
6.0k points
4 votes

Answer:

all of the above.Step-by-step explanation:

User Guilherme Oliveira
by
6.1k points