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Question on: WAEC Physics - 1999

I. All elements emit and absorb characteristic spectra. II. Spectral analysis is an important method of identifying environmental pollutants. III. The chemical composition of stars could be determined using spectral analysis. Which of the statements above are correct?

A

I, II and III

B

II and III only

C

I and III only

D

I and II only

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Correct Option: A

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