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rachelrogers85
02.10.2021 •
Physics
10 kg petrol has density of 800 kg/m3. Find its volume in cm.
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Ответ:
Each element will produce a unique/distinct line pattern in either an absorption or emission spectrum. This is very useful to astronomers because each line pattern is like a fingerprint, voice-print, or government-issued photo-ID, allowing astronomers to identify the presence of certain elements in the atmosphere of stars based on the patterns of emission or absorption lines in the star's spectrum.