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Por supuesto:

Vocabulary C1

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Pregunta:

A band of coloured lights in order of their wavelengths, as seen in a rainbow and into which light may be separated

Autor: Lam Nguyenvan



Respuesta:

Spectrum


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Respuesta alternativas:

A SPECTRUM is formed by a ray of light passing through a prism.
The electromagnetic/radio/sound SPECTRUM
We shall hear views from across the political SPECTRUM.