PLEASE HELP! BRAINLIEST TO FIRST CORRECT!
1. Which of these is a heavy element in a star?
Lithium
Helium
Hydrogen
Carbon

2. Which is the first stage in the life cycle of a massive star?
White Dwarf
Red Giant
Black Hole
Nebula

3. Why are spectral lines useful in classifying stars?
They show the layers the lay make up a star
They show the composition of a star
They indicate a stars age
They show a stars location

number 1 Helium

number 2 Nebula

number 3 They show the composition of a star

can i get brainiest for at least trying

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