The temperature is falling sharply on a clear, calm night in the deserts outside of las vegas, nevada. around 3 am local time, a layer of mid-level clouds moves overhead. explain why the temperature decrease was slowed once the clouds moved in.

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?