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Oil refining is the process of taking crude oil and turning it into fuels such as petrol and diesel. Crude oil varies in its composition, consisting of hydrocarbons and other organic compounds containing nitrogen, oxygen and sulphur. Refining oil requires energy and releases air-polluting chemicals. However, the majority of the CO2 produced by oil is emitted only once it has been turned into fuel and then burnt.

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Besedna vrsta: noun
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Industrija/področje: Natural environment
Category: Climate change
Company: BBC
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нафта

Education; SAT vocabulary

A light, colorless, volatile, inflammable oil used as a solvent, as in manufacture of paints.

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Function words; preposition; touching a surface or an object.

органско земјоделство

Natural environment; Climate change

There is no universally accepted definition of organic farming, and each country regulates what can and cannot be labelled "organic". In general, it describes a form of ...

озон

Natural environment; Climate change

Ozone is made up of three oxygen atoms. It has benefits and dangers depending on where in our atmosphere it occurs: near ground level, it is a pollutant that affects respiration; ...

емисии по глава на жител

Natural environment; Climate change

The total amount of greenhouse gas emitted by a country per unit of population.

пестицид

Natural environment; Climate change

A pesticide is a substance used to kill a pest, and in a farming context a pest is anything that attacks or competes with crops. Hence, there are many different types of ...

фотоволтаична клетка

Natural environment; Climate change

Photovoltaics are materials that produce electricity from sunlight. A single photovoltaic cell can be used to power small devices such as calculators; combined in solar panels ...

полимер

Natural environment; Climate change

A polymer is a giant molecule made up of thousands of atoms. It can be natural or man-made (synthetic). Many plastics in everyday use are polymers, such as polythene or PVC; but ...

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Industrija/področje: Holiday Category: Unofficial holidays

Големиот американски Smokeout

Гледано секоја година од 1977 година, големиот американски Smokeout се одвива на третиот четврток од ноември. Спонзорирано од Американското здружение ...