Which of the following statements is false? O a. On average, growth in GDP per capita was negative in Sub-Saharan Africa over the period 1980 - 1995. O b. All of the statements are false. O c. Global extreme poverty has declined in all regions since 1990. O d. Over the past several decades, growth of per capita GDP in the US has been more than double that of Sub-Saharan Africa. O e. Average life expectancy at birth in the richest 20 countries is more than 20 years higher than life expectancy in the poorest 20 countries