try it out.... start with drinking aqua regia
Anything in the environment that humans use is a natural resource.
anything
soil
they exfoliate with them
Sharks and humans
it is unknown
humans or scavengers can
yes
By asking more intellectual humans to answer this questions =)
if you want to find out if humans use them for anything type no that is the answer no
Humans can eat anything it just may not be legal or good for you.
They don't eat anything