yes it is and it last longer but if you have a pet than no if you want it to last long . but it is a great thermal material.
Silver is a better heat conductor.
A copper wire is a much better conductor of heat than air is.
By definition, a conductor.
Iron is good conductor
yes
two rough ones - there will be more friction xx
copper is better
yes it absorbs heat better
It's not, there are materials that are better, like diamond.
The better conductor is stainless steel.
Plastic?
no