Line spectra are obtained when individual elements are heated using a high-voltage electrical discharge. This heating causes excitation of the element and a subsequent emission of distinct lines of colored light are obtained. Each element has its own unique emission line spectrum; therefore, if any of the tested substances were the same, their spectra would match. However, this is not the case so none of the substances are the same.
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Answer:
700,000g
Explanation:
1kg = 1000 Grams (or any kg x 1000)
I'm pretty sure it's D. The stars don't influence the moon's phases.
