JWhich feature of a map shows the relationship between a distance on a map and that distance on Earth? O key
scale
grid system
compass rose plz help 30 points it’s science center

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?