Edwin Pawlowski wrote:
"dadiOH" wrote in message

No, dog's nails don't scratch glass. The sharpness of the nails
has nothing to do with it, only the relative hardness of the
materials. Glass has a Moh's hardness of around 7...many, many,
many times harder than the material from which dog nails - and
yours - are made. Can you scratch glass with *your* fingernails?
Not a chance...

Bull****. My small dog that does not pick up sand has scratched
our glass also. Your theory seems correct but in practice, dogs
can scratch glass. Just come to my house and I'll show you.

It is fact, not theory. If your doggie is scratching glass she is doing it
with something other than her nails.

BTW, men *have* gone to the moon. Earth isn't flat either.

--
dadiOH
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