Which of the following products is petroleum based? a) steel. b) maglev. c) plastic. d) iron. e) internet

Answer is: C) plastic.

Plastic is organic polymers of high molecular mass derived from petrochemicals.

For example, polystyrene production is several million tonnes per year.

Polystyrene is a synthetic aromatic hydrocarbon polymer made from the monomer styrene.

Styrene (ethenylbenzene) is an organic compound with the chemical formula C₆H₅CH=CH₂. It is a colorless oily liquid

Expanded polystyrene is used to manufacture foam cups.

most sediment washes or falls into the river as a result of mass movement and runoff. other sediment eroded from the bottom or sides of the river.