Plastics As Materials Of Choice

Plastic is a

Plasticity .

Which of the following are the examples of non - degradable pollutants ? I. DDT II. Nuclear wastes III. Plastic materials Select the correct option

Ronald wants to make electrical wires with a wire drawing machine. He considers using steel, copper, aluminum, and plastic as raw material. The material that Ronald cannot use to make electrical wires is

Which of the following cannot be degraded by natural processes ? (P) DDT , (Q) Plastic materials (R) Heavy metals , (S) Nuclear wastes