Concept:Water pipes are made from materials that are strong, durable, and resistant to corrosion and chemicals.
Explanation:Poly vinyl chloride (
PVC) is a common plastic used for water pipes.
It is lightweight, cheap, and does not rust like metal pipes.
PVC also resists corrosion and chlorinated disinfectants, making it safe for carrying water.
Other options like polyethene and polystyrene are not typically used for rigid water pipes.
Perspex is mainly used for transparent sheets, not pipes.
Answer:D. poly vinyl chloride