Why does the west coast of the united states experience volcanic activity and earthquakes while the east coast does not? a) because the west coast does not lie on a plate boundary, while the east coast does. b) because the west coast lies on a thinner area of continental crust than the east coast does. c) because the west coast has more cities than the east coast does. d) because the west coast lies on a plate boundary, while the east coast does not.

Data courtesy of the un development programme 2006-2008 and world bank 2009 the chart above compares measures of development using the hdi and gdp. why might turkey rank lower in the hdi indicator even though it has a high gdp? a. turkey has a lower gdp than comparable countries in the hdi ranking. b. turkey must increase its hdi to have a higher gdp ranking. c. turkey is only compared to other european countries in gdp, not to the world, as it is in the hdi. d. turkey may struggle to provide adequate education or health care, or it may have a lower life expectancy.