<span>The first method to determine the chemical composition of a substance in space was using light. By determining red shift in the observed spectrum of light they could determine the elements they were observing. Different elements change the way light behaves and from this scientists can determine the makeup of things such as stars and nebulas.</span>
Answer:
A is the coorrecct answuer
Explanation:
think it maybe 48 mg0 because there should be 2g magnesium in the word equation
I think you forgot to add a picture?
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Explanation:cioserra s ojs queengo o m me vengoe volo