Star a is composed of 60% hydrogen and star b has 54% hydrogen. which star is older and why

hello I think I'm in your class..

Explanation:

Mr. juhl is my teacher and he pit this on a test.

I'm Lennox

the answer is kevlar

the earths atmosphere is made up of nitrogen and oxygen. solids can turn into gasses through a process called sublimation. sublimation is the transition of a substance directly from the solid to the gas phase, without passing through the intermediate liquid phase.

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