The chart above measures the maternal mortality rate (MMR) for different regions. The bar circled in red represents industrialized nations. What are some possible explanations for the low MMR of industrialized nations?​

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?