Why does keeler refer to native americans as a “very select group of survivors”? is her characterization consistent with james’s perception? why?

Ascientist is explaining how background cosmic radiation gives evidence of the big bang theory. she says that radiation has been detected everywhere equally as heat in the universe and is increasing. this has been shown to be residual radiation from the big bang. what error did the scientist make?

Never mind alrwady found the answer im looking for

Arow of elements on the periodic table is called an