Metals, ____and building materials are made from ____ natural resources. There are advantages to ____ these materials. The ____ to recycling are: - fewer ____ are needed - less crude oil is needed for making ____ - less energy is needed so less ____ gases are made - the amount of waste in ____ is reduced The ____ of recycling are: - the organisation of ____, cars and fuels - it is difficult to ____ different metals - The different materials need to be ____

Recycling

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