1- The quantity of electricity or gas that you use is your ____ ____ 2- A product or resource is ____ when is made into a new product 3- A product or resource is ____ when is used again for the same purpose 4- An ____ product or action helps to protect the evironment 5- The sun and the sea are ____ ____ of energy 6- You ____ ____ products that you don't want anymore 7- ____ ____ are sources of enery like gas that are found underground 8- People who ride a bike to work help ____ ____ 9- ____ ____ is the increase in world temperatures

BR Pre intermediate. Unit 10 Enviroment

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