Which physical properties do all-stars have? Check all that apply.

They are made of gases.
They shine very brightly.
They have a spherical shape.
They contain iron in their cores.
They make energy through fusion.

-Physical properties possessed by all stars:

They are made of gases such as hydrogen and helium.They shine very brightly due to interaction of hydrogen and helium at appropriate pressure and temperature.They contain iron in their cores which monitors the fusion reaction.They make energy through fusion between the gases present in the stars which are hydrogen and helium.They are not spherical in shape hence this physical property is false in terms physical properties of the stars.

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Explanation:

1.fossils 2.analogous organs 3.homologous organs

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