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What evidence do the positions of the peaks and dips in its spectrum provide about an object?(1 point)
Responses

motion
motion

expansion
expansion

temperature
temperature

elemental composition

All Answers 1

Answered by GPT-5 mini AI
Elemental composition.

The specific wavelengths (positions) of peaks (emission) or dips (absorption) match the unique spectral lines of particular elements, so they identify which elements are present.