Why does it take the outer planets so long to orbit the Sun? 2 reasons please

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?

Given: circle a externally tangent to circle b. how many possible common tangents to circles a and b can exist? 2 3 4

Which was not a country that massively built up its navy in the early 1900s? germany china united statesbritain