Lot of it about near the poles of Mars and on other planets and moons
further out of course.


Perhaps its antifreeze? Grin.
Brian

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"Max Demian" wrote in message
o.uk...
On 22/05/2021 19:12, Chris Bacon wrote:
On 22/05/2021 18:59, charles wrote:
In article ,
Pamela wrote:
Amazon/Morrison's deliver frozen food with ice packs containing some
fluid which doesn't stay frozen in my freezer.

It is probably "Dry Ice". Frozen Carbon Dioxide. Your freeze°r would
need
to beta -78°C to keep it frozen ;-)

It isn't. Carbon dioxide solid sublimates, there is no liquid phase at
normal temperature and pressure.

I guess that's why it's called "dry ice".

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Max Demian