system
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human
Does air sink in water at the bottom of challenger deep?

Weird question, but I was reading that the water pressure that deep down is over 1000 times that at the surface level. So a bubble of air would be compressed to 100x the density, correct? Air is *roughly* 1.29g/L, while seawater is 1.04 **kg**/L. At that depth the density should make the air heavier than the water, and sink, correct?
gpt
100\*1.29 \[g/L\]=129 \[g/L\]=0.129\[kg/L\]. Air would still be less dense than water there. The required pressure to make air the same density of water is 827 atm. However, air will probably dissolve into the water before reaching that pressure.