PADI IDC physics - Effects of pressure

PADI IDC - Effects of pressure.
This subject takes up almost 50% of PADI Instructor physics exams.
It covers so many areas.
How big does a balloon get a different depths?
How much gas does a diver breathe at different depths?
How dense is air at different depths?
Partial pressures of gasses - All covered by this one subject.
Watch this video. It's MUCH easier than you think.
The video is taken from my online course FULL PADI IDC PREPARATION COURSE
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