Can you show the question that goes with those answer pls
Answer: At the point when space experts take a gander at an article's range, they can decide its arrangement dependent on these frequencies. The most well-known technique stargazers use to decide the sythesis of stars, planets, and different articles is spectroscopy. This spread-out light is known as a range.
Explanation:
I'm sorry but the picture isn't clear enough
Al2Se3 is your chemical formula
Hope this helps
God Bless you
-Kayla <3