Answer and explanation
1. Recycling is a process of converting waste material to re-usable material.
One example is plastic e.g plastic bags
Plastic bags can take many years to decompose, thus when thrown away can cause pollution, that is why it is often re-used.
2. Recycling prevents environmental pollution.
3. Between 1987 and 1997, the percentage of solid wastes recycled increases because people are more plastic is being made and people are educated about recycling. Before 1987, their was not much plastic to be recycled,