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
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
Based on the text, choose the correct option.
According to the text, it can be concluded that
Based on the text, it can be stated that
A ideia de Woodland e Silver foi patenteada em
Infere-se do texto que
Dentro do contexto, a tradução correta para o significado de “it languished for years” é
De acordo com o texto,
Judge the following items according to the text above.
According to the text, specialization arises from the need to prevent certain dimensions of a field from becoming obsolete after they had been recognized as established or traditional areas.
