The correct options are
A Addition polymerisation
B Homopolymer
C Nonbiodegradable
Polyethene or polyethylene is the plastic polymer we encounter so often in our day-to-day lives. It is used to make plastic bags.
Polyethene is an addition polymer, it is a homopolymer and it is nonbiodegradable.
It has a low strength, hardness and rigidity, but has ductility and impact strength.