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That does not cost too much money, so that people can afford to do or buy it empezar lección
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to have knowledge of experience of a particular thing empezar lección
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first in one direction and then in the opposite one empezar lección
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The practice of travelling to work together in one car and sharing the cost between several people empezar lección
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a simple chemical substance, which is an important part of substances such as coal and oil, as well as being contained in all plants and animals empezar lección
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Carbon dioxide and carbon monoxide gases that sent out into the air, harming the environment empezar lección
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Someone's carbon footprint is a measurement of the amount of carbon dioxide that their activities produce. empezar lección
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to do or complete something empezar lección
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the food, etc., provided at a function by a caterer empezar lección
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an explanation or more details which makes something clear or easier to understand empezar lección
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the change in the world’s weather that is believed to be caused by human activity empezar lección
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to suggest or think of an idea or plan empezar lección
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to officially ask someone to write, make or carry out something for you empezar lección
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a part which combines with other parts to form sth bigger empezar lección
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the opinion you have after considering all the information about something empezar lección
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useful, easy or quick to do; not causing problems empezar lección
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to make something happen or exist empezar lección
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empezar lección
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to harm or spoil something empezar lección
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the act of getting rid of something, especially by throwing it away empezar lección
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empezar lección
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the process of giving things out to several people, or spreading or supplying something empezar lección
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sending people bills by email rather than by post asking them to pay money owed empezar lección
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connected with or concerned about the environment empezar lección
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producing a successful result empezar lección
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discarded electrical or electronic devices empezar lección
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when gas, heat, light, etc. is sent out empezar lección
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to make someone able to do something, or to make something possible empezar lección
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the air, water and land in or on which people, animals and plants live empezar lección
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not harmful to the environment empezar lección
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to get something that is useful, that gives you an advantage empezar lección
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to relieve or free oneself of (sth or s.o. unpleasant or undesirable) empezar lección
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an increase in the average temperature worldwide believed to be caused by the greenhouse effect empezar lección
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to start doing smth to protect nature and the environment empezar lección
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relating to the protection of the environment empezar lección
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A set of ideas relating to the protection of the environment empezar lección
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an increase in the amount ofcarbon dioxide and other gases in the atmospherewhich is believed to be the cause of a gradual warming of the surface of the Earth empezar lección
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a gas which causes the greenhouse effect, especiallycarbon dioxide empezar lección
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the system that keeps a building warm empezar lección
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using a mixture of two or more types of fuel, for example a petrol engine and an electric motor, so that less harm is caused to the environment empezar lección
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a vehicle with an engine that uses both petrol and another type of energy, usually electricity empezar lección
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something that encourages you to do something empezar lección
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a powerful effect that something, especially something new, has on a situation or person empezar lección
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a new plan for dealing with a particular problem or for achieving a particular purpose empezar lección
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using new methods or ideas empezar lección
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protected with a material that prevents heat, sound, electricity, etc. from passing through empezar lección
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to put some ideas into use empezar lección
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when something is put into use or brought to a place for the first time empezar lección
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to form, give or have as an opinion, or to decide about something or someone, especially after thinking carefully empezar lección
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empezar lección
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empezar lección
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empezar lección
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empezar lección
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having features or characteristics that are not easily noticed empezar lección
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new and interesting in a way that is different from anything else empezar lección
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To arrange for someone outside a company to do work or provide goods for that company empezar lección
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special, or this and not any other empezar lección
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an extremely large round mass of rock and metal, such as Earth, which moves in a circular path around the Sun empezar lección
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liked, enjoyed or supported by many people empezar lección
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the cost of sending a package, letter, etc by post empezar lección
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a talk giving information about something empezar lección
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to prepare, change or treat raw materials as a part of an industrial operation empezar lección
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the practice of treating materials that have already been used so that they can be used again empezar lección
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to make something smaller in size, amount, degree, importance, etc empezar lección
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when you make or when something becomes smaller in size, amount, degree, importance, etc empezar lección
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to direct the attention of (someone) for information, facts, etc empezar lección
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to put information, especially your name, into an official list or record empezar lección
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an official rule or the act of controlling empezar lección
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insurance bought by an insurance company to protect itself against large demands from its customers empezar lección
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quite good/bad/etc. in comparison with other similar things or with what you expect empezar lección
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that is replaced naturally or controlled carefully and can therefore be used without the risk of finishing it all empezar lección
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the opinion that people in general have about someone or something empezar lección
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empezar lección
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things that you throw away because you no longer want or need them empezar lección
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to prevent the power from something such as electricity or oil being wasted empezar lección
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a flat surface in a cinema, on a television or a computer system on which pictures or words are shown empezar lección
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a device that changes energy from the sun into electricity empezar lección
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to change suddenly or completely, especially from one thing to another, or to exchange by replacing one person or thing with another empezar lección
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to look after someone or something empezar lección
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To do smth in onrder to improve or deal with a situation empezar lección
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the main subject of a talk, book, film, etc. empezar lección
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to cause (something) to cease operating by turning a knob, pushing a button empezar lección
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(especially of a country) without modern industry or modern services that provide transport, health care, etc empezar lección
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different from what is usual or normal empezar lección
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that can help you to do or achieve what you want empezar lección
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a good price for something empezar lección
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a machine from which you can buy snacks, drink, etc. by putting coins into it empezar lección
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no longer needed for a particular process and therefore thrown away empezar lección
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paper discarded after use empezar lección
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garden of evergreen plants and plants that flower in winter empezar lección
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inside or not further than an area or period of time empezar lección
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a building or room where people perform their jobs, or these places generally empezar lección
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