Why Is the Disposal Method Used for the Plastic Components

Why is the disposal method used for the plastic components of electronics hazardous?

A) The plastic components are melted, releasing toxic fumes.
B) The plastics melt in the sun and decompose into small pieces that harm birds.
C) The monomers used in plastics manufacturing are retrieved from the plastic, but these are more toxic than the polymers used to create the plastics.
D) The plastic components are added to large holding ponds.Many of the plastics leach out into the local water supply.