Questões de Língua Inglesa do ano 2013

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Listagem de Questões de Língua Inglesa do ano 2013

According to the text, it can be concluded that

Based on the text, choose the correct option.

No segundo parágrafo, o termo it em – “Right now, everything that goes into making it is from relatively expensive, nonrenewable carbon sources.” – refere-se a

In the second paragraph, the term churn out in – Chemical companies churn out billions of tons of acrylate each year, usually by heating propylene, a compound derived from crude oil. – implies

According to the text, Lewis acids

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