Quartz sandstones commonly are only partly cemented and contain a high volume of pore space. would quartz sandstone be a good supplier of groundwater? shale has a high porosity; would it have a high permeability? how does shale differ from sandstone as a supplier of groundwater?

The earth rotates on its axis and revolves around the sun every

In upholding louisiana's separate car act, the supreme court claimed thatsegregation was not the same as discriminationthe fourteenth amendment did not apply to southern statesdiscrimination was necessary in order to maintain public ordero segregation was unconstitutional based on the fourteenth amendment

Atopographic map of a section of washington’s state is shown here. which location is most likely to be subjected to flooding and run off during a period of extremely high precipitation? a. b. c. d.