Plastic plays an important role in our life because
- Plastic is light and strong. The weight of plastic is less when compared to that of metal.
- Plastic is very cheap. So, plastic bags and other plastic items have low cost.
- Plastic does not react with air and water, and so it does not corrode easily. Hence it is durable.
- Plastic can be remoulded into different shapes and sizes. It can be used for various purposes.