Answers

2015-07-11T15:47:13+05:30
They wear special type of suits before diving because the suits will lowers the pressure.and if they do not wear the suit the pressure will increase and they will fall into water
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2015-07-11T17:08:30+05:30
Pressure under water increases woth depth. As the depth increases, the pressure on the human body increases. The human body can bear pressure not more than under 120m in depth. The pressure below it is enough to crush any human. Scuba divers wear special suits to minimize the pressure and hence allow them to go deeper.
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