Which statement explains how the periodic table is arranged? . a.. the periodic table is arranged by the radioactivity levels in unstable nuclei of elements.. b.. the periodic table is arranged by the outermost electrons of the elements.. c.. the periodic table is arranged by increasing atomic mass.. d.. the periodic table is arranged by number of neutrons found within the most common isotopes.

What is the correct term for living the most sustainable life you can within your current circumstances?

Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.

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