On septmeber 22, the sun's vertical rays are directly overhead at:

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?

Which city area has the most accessible oil reserves a) caspian sea b) siberia c)arctic coast d)lake baikal

Dry land planting can benefit the environment by reducing the need for tillagate