Sedimentary rocks are usually classified as
a. intrusive or extrusive
c. basaltic, granite, or andesitic
b. foliated or nonfoliated
d. detrital, chemical, or organic

Why is the improved education of girls so important, especially with regard to economics and health? what are the leading causes of death among teenage girls in africa and how are they tied to education?

What happens to rock when acid reacts with it?

Agricultural practices in the united states nearly led to the extinction of the peregrine falcon during the 1950s and 60s.