Most Plumbing codes require Type K for underground. Type L will work but it has a thinner wall thickness and may not last as long underground.
soft
No, copper is way too soft.
Soft is a comparative. It depends what it is being compared to.
lead is soft and copper is hard
Copper
Copper is easy to mine but is often to soft for uses if it is pure.
r u fool . gold is hardend metal and copper is soft .
The soft iron and magnet will attract each other - the copper will not be attracted to either of the other two.
Yes, the compression fittings designed for copper work on both soft and hard copper pipes.
I believe the copper needs support with the zinc as a filler. Copper is a soft metal.
Copper i assume
It is a ductile metal, soft and malleable