Recycling homework

R3 is sometimes called the waste hierarchy. The concept behind the first R: Reduce, is that you should limit the number of purchases that you make in the first place. For example, turning off the lights and taking shorter showers, The concept behind the second R: Reuse, is that you should reuse items as much as possible before replacing them.

Recycling is a way to reduce the amount of garbage that is thrown away. Every year the United States produces millions of tons of garbage. The garbage is sent to landfills, where some of it pollutes the land and air. As a result of recycling, some things that would have been thrown away are reused instead in new products.

There are a number of benefits from recycling. These include: Landfills - Recycling materials means less trash and saves space in dumps and landfills. Resources - When we use materials again, this means we can take fewer resources from the Earth.

There are two types of recycling: internal and external. In internal recycling, the waste products from manufacturing processes are reused within the same factory. For example, when copper tubing is being made, the ends of the tubes are usually trimmed.